CVE-2026-95832

CRITICALPre-NVD 9.39.3
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

This critical-severity CVE scores 9.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2% (5th percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from a secondary CVSS source
Sources: EPSS, a secondary CVSS source
Trending — 3 sources updated this week

Also known asEUVD-2026-87065 (ENISA EUVD) · GHSA-hvwf-v5fx-xvj6 (GitHub Security Advisories)Source: ENISA EUVD

9.3EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 9.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Fixed versions, as the CVE record's CNA (Secur0) states them: "Upgrade to kitty 0.49.0 or later."

Improper Neutralization of Special Elements in Output Used by a Downstream Component in the colour control escape code handler in kitty from 0.47.3 before 0.49.0 allows a program writing to the terminal to execute an arbitrary command in the user's shell, because color_control() in kitty/window.py answers a query for an unrecognised field name by placing that field name into the reply, and write_escape_code_to_child() in kitty/screen.c then writes the reply to the pseudoterminal master, where it is not distinguishable from input typed by the user, without neutralising it for the shell that reads it. The payload is reduced to printable ASCII before the field name is echoed, which is the restriction introduced in 0.47.3 as the fix for CVE-2026-54057, and the record and field separators ; and = are consumed as delimiters, but every other printable character survives, which is sufficient to compose a shell command. A newline is available from handle_remote_ssh() in kitty/window.py, which writes the bytes yielded by get_ssh_data() in kittens/ssh/utils.py, the first of which begin with a newline, to the pseudoterminal master before any credential carried in the request is checked. The reply is framed as an OSC sequence carrying the escape code number, the field name, and the literal value ?. This results in execution of an attacker-chosen command with the privileges of the user running the terminal.

CVSS v3
9.3
EG Score
9.3CRITICALmedium confidence
EG Risk
42
EG Risk 42/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity93% × 45%
Impact severity (EG Severity): CVSS 9.3 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.2% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
5th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (9.3): severity, escalated by confirmed exploitation. This CVE's 9.3 is its impact severity (EG Severity), not escalated.

EG Severity
9.3 CRITICALCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.a secondary CVSS source · CVSS v3.0 or v3.1
EG Likelihood
0.2% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-02). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

September 25, 2026

Last Modified

September 29, 2026

Advisory Details (5)

Auto-updated Oct 3, 2026
Patch available. Sources: github_commit, github_release.
Web page

CVE-2026-95832 · Reflected unknown field names in the kitty colour control escape code allow command execution in the user's shell | Vulnerabilities published by Secur0

https://secur0.com/en/cna/cve-list/cve-2026-95832-kitty-color-control-command-execution
GitHub release Patch Available

version 0.49.0

Patch available: kovidgoyal/kitty v0.49.0

https://github.com/kovidgoyal/kitty/releases/tag/v0.49.0
GitHub commit

commit 57bb144d96c0 (kovidgoyal/kitty)

Fix landed in kovidgoyal/kitty commit 57bb144d96c0 — awaiting tagged release

https://github.com/kovidgoyal/kitty/commit/57bb144d96c0f9d48a2b0a6d43c9a23d2a091cbf
GitHub commit

commit 03fbdad85549 (kovidgoyal/kitty)

Fix landed in kovidgoyal/kitty commit 03fbdad85549 — awaiting tagged release

https://github.com/kovidgoyal/kitty/commit/03fbdad855490470233954bc810e517027e5e640

Vendor Advisories for CVE-2026-95832(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
kitty0.26.5-5 ... 0.48.2-1.1 (40 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
kitty0.41.1-2 ... 0.48.2-1.1 (18 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
kitty0.41.1-2 ... 0.48.2-1.1 (16 versions)
  • every version on: no fix on record
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 21× in last 7d / 126× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 100 of 197 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 97 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-03 00:45 UTCEG score recompute
  2. 2026-11-03 00:45 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  3. 2026-11-02 16:46 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  4. 2026-11-01 23:57 UTCEG score recompute
  5. 2026-11-01 23:57 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  6. 2026-11-01 16:36 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  7. 2026-10-31 23:09 UTCEG score recompute
  8. 2026-10-31 23:09 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  9. 2026-10-31 16:33 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  10. 2026-10-30 22:22 UTCEG score recompute
  11. 2026-10-30 22:22 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  12. 2026-10-30 16:35 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  13. 2026-10-29 21:34 UTCEG score recompute
  14. 2026-10-29 21:34 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  15. 2026-10-29 16:34 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  16. 2026-10-28 20:47 UTCEG score recompute
  17. 2026-10-28 20:46 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  18. 2026-10-28 16:33 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  19. 2026-10-27 19:57 UTCEG score recompute
  20. 2026-10-27 19:57 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  21. 2026-10-27 16:33 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  22. 2026-10-26 19:09 UTCEG score recompute
  23. 2026-10-26 19:08 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  24. 2026-10-26 16:33 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  25. 2026-10-25 16:36 UTCEG score recompute
Show 75 more
  1. 2026-10-25 16:36 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  2. 2026-10-25 16:34 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  3. 2026-10-25 13:48 UTCEG score recompute
  4. 2026-10-24 16:34 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  5. 2026-10-24 15:48 UTCEG score recompute
  6. 2026-10-24 15:47 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  7. 2026-10-23 16:33 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  8. 2026-10-23 14:56 UTCEG score recompute
  9. 2026-10-23 14:56 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  10. 2026-10-22 16:35 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  11. 2026-10-22 14:06 UTCEG score recompute
  12. 2026-10-22 14:06 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  13. 2026-10-21 16:34 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  14. 2026-10-21 13:15 UTCEG score recompute
  15. 2026-10-21 13:14 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  16. 2026-10-20 16:34 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  17. 2026-10-20 12:07 UTCEG score recompute
  18. 2026-10-20 12:07 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  19. 2026-10-19 16:33 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  20. 2026-10-19 11:16 UTCEG score recompute
  21. 2026-10-19 11:15 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  22. 2026-10-18 16:33 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  23. 2026-10-18 08:33 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  24. 2026-10-18 02:57 UTCEG score recompute
  25. 2026-10-17 16:35 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  26. 2026-10-17 07:45 UTCEG score recompute
  27. 2026-10-17 07:44 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  28. 2026-10-16 16:45 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  29. 2026-10-16 06:56 UTCEG score recompute
  30. 2026-10-16 06:56 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  31. 2026-10-15 16:33 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  32. 2026-10-15 05:38 UTCEG score recompute
  33. 2026-10-15 05:38 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  34. 2026-10-14 16:34 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  35. 2026-10-14 01:18 UTCEG score recompute
  36. 2026-10-14 01:18 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  37. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  38. 2026-10-12 21:30 UTCEG score recompute
  39. 2026-10-12 21:30 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  40. 2026-10-12 16:35 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  41. 2026-10-12 14:41 UTCEG score recompute
  42. 2026-10-12 01:19 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  43. 2026-10-11 20:58 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  44. 2026-10-11 19:11 UTCEG score recompute
  45. 2026-10-11 16:36 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  46. 2026-10-11 16:27 UTCEG score recompute
  47. 2026-10-11 13:50 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  48. 2026-10-11 13:39 UTCEG score recompute
  49. 2026-10-11 12:17 UTCEG score recompute
  50. 2026-10-11 12:17 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  51. 2026-10-11 07:58 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  52. 2026-10-11 03:32 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  53. 2026-10-10 23:08 UTCEG score recompute
  54. 2026-10-10 23:08 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  55. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  56. 2026-10-10 18:49 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  57. 2026-10-10 14:29 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  58. 2026-10-10 10:08 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  59. 2026-10-10 05:47 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  60. 2026-10-10 01:28 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  61. 2026-10-09 21:07 UTCEG score recompute
  62. 2026-10-09 21:07 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  63. 2026-10-09 20:08 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  64. 2026-10-09 16:48 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  65. 2026-10-09 12:25 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  66. 2026-10-09 06:19 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  67. 2026-10-09 01:59 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  68. 2026-10-08 21:40 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  69. 2026-10-08 16:57 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  70. 2026-10-08 10:57 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  71. 2026-10-08 06:37 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  72. 2026-10-08 02:18 UTCEG score recompute
  73. 2026-10-08 02:18 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL
  74. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.2% · 4th percentile
  75. 2026-10-07 21:58 UTCGHSA enrichmentGHSA-hvwf-v5fx-xvj6 · GitHub severity CRITICAL

Frequently asked(5)

What is CVE-2026-95832?
CVE-2026-95832 is a critical-severity vulnerability; its CVE record was published on September 25, 2026. Improper Neutralization of Special Elements in Output Used by a Downstream Component in the colour control escape code handler in kitty from 0.47.3 before 0.49.0 allows a program writing to the terminal to execute an arbitrary command in the user's shell, because color_control() in kitty/window.py…
When was CVE-2026-95832 made public?
CVE-2026-95832 was made public on September 25, 2026: that is the date its CVE record's CNA, Secur0, gives for when the vulnerability was made public. The CVE record itself was published on September 25, 2026. EchelonGraph's copy of the record carries a last-modified date of September 29, 2026; the record at its source may have been updated since.
Is CVE-2026-95832 actively exploited?
CVE-2026-95832 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (5th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-95832?
CVE-2026-95832 has a CVSS base score of 9.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-95832?
A fix for CVE-2026-95832 is available: update to the fixed version the vendor names in its advisory. Fixed versions, as the CVE record's CNA (Secur0) states them: "Upgrade to kitty 0.49.0 or later." The vendor advisories EchelonGraph has for CVE-2026-95832 are linked in the Vendor Advisories panel on this page.

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