CVE-2026-107655

MEDIUMPre-NVD 4.04.0
EchelonGraph scoreMEDIUM confidence

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

This medium-severity CVE scores 4.0 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3% (16th 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
Elevated

Also known asEUVD-2026-95572 (ENISA EUVD)Source: ENISA EUVD

4.0EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 4.0Exploit: No code on recordExposed services: Not assessed

A fix is available — apply it.

A flaw was found in CUPS. When processing embedded job ticket comments within documents, the service improperly handles specific IPP attributes, causing an unhandled null pointer dereference. An unauthenticated attacker permitted to submit jobs to a shared printer queue can send a crafted Internet Printing Protocol (IPP) request to crash the print daemon, resulting in a temporary Denial of Service (DoS) for all printing services.

CVSS v3
4.0
EG Score
4.0MEDIUMmedium confidence
EG Risk
34
EG Risk 34/100

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)
Severity40% × 45%
Impact severity (EG Severity): CVSS 4.0 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
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 public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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
0.3%
EPSS %ILE
16th
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 (4.0): severity, escalated by confirmed exploitation. This CVE's 4.0 is its impact severity (EG Severity), not escalated.

EG Severity
4.0 MEDIUMCVSS-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
0.3% within 30 daysSource: FIRST EPSS. 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: 60 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 public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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)60 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 partial (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

October 9, 2026

Last Modified

October 12, 2026

Advisory Details (5)

Auto-updated Oct 9, 2026
Patch available. Sources: redhat, github_commit, github.
GitHub advisoryMentions a patch (unverified)

Embedded job ticket comments can lead to a crash · Advisory · OpenPrinting/cups · GitHub

https://github.com/OpenPrinting/cups/security/advisories/GHSA-58wv-9ffm-5w78
GitHub commit

commit 25d6830 (OpenPrinting/cups)

Fix landed in OpenPrinting/cups commit 25d6830 — awaiting tagged release

https://github.com/OpenPrinting/cups/commit/25d6830
GitHub commit

commit 12237ad (OpenPrinting/cups)

Fix landed in OpenPrinting/cups commit 12237ad — awaiting tagged release

https://github.com/OpenPrinting/cups/commit/12237ad
Red Hat

2548399 – (CVE-2026-107655) CVE-2026-107655 cups: NULL pointer dereference via embedded job ticket comments allows remote denial of service

https://bugzilla.redhat.com/show_bug.cgi?id=2548399
Red HatMentions a patch (unverified)

CVE-2026-107655 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

https://access.redhat.com/security/cve/CVE-2026-107655

Vendor Advisories for CVE-2026-107655(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
cups2.4.10-1 ... 2.4.7-3 (27 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
cups2.4.10-3 ... 2.4.18-1 (9 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
cups2.4.10-3 ... 2.4.18-1 (7 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 7× in last 7d / 38× 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.

  1. 2026-11-02 16:43 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  2. 2026-11-01 16:33 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  3. 2026-10-30 16:33 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  4. 2026-10-29 16:32 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  5. 2026-10-28 16:31 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  6. 2026-10-27 16:31 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  7. 2026-10-27 10:55 UTCOSV refresh
  8. 2026-10-26 16:30 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  9. 2026-10-25 16:32 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  10. 2026-10-25 14:54 UTCEG score recompute
  11. 2026-10-24 16:32 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  12. 2026-10-23 16:31 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  13. 2026-10-22 16:33 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  14. 2026-10-21 16:32 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  15. 2026-10-20 16:32 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  16. 2026-10-18 16:31 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  17. 2026-10-18 05:07 UTCEG score recompute
  18. 2026-10-17 16:33 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  19. 2026-10-16 16:40 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  20. 2026-10-15 16:31 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  21. 2026-10-14 16:32 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  22. 2026-10-13 16:33 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  23. 2026-10-12 21:21 UTCEG score recompute
  24. 2026-10-12 16:38 UTCEG score recompute
  25. 2026-10-12 16:33 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
Show 13 more
  1. 2026-10-11 20:14 UTCEG score recompute
  2. 2026-10-11 18:26 UTCEG score recompute
  3. 2026-10-11 15:00 UTCEG score recompute
  4. 2026-10-10 19:59 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  5. 2026-10-10 17:02 UTCEG score recompute
  6. 2026-10-09 20:06 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
  7. 2026-10-09 18:35 UTCEG score recompute
  8. 2026-10-09 17:55 UTCEG score recompute
  9. 2026-10-09 12:32 UTCEG score recompute
  10. 2026-10-09 11:19 UTCEG score recompute
  11. 2026-10-09 09:29 UTCEG score recompute
  12. 2026-10-09 09:08 UTCEG score recomputeFirst assessed: 4.0 MEDIUM
  13. 2026-10-09 09:08 UTCMITRE cvelistV5first tracked

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-107655?
CVE-2026-107655 is a medium-severity vulnerability; its CVE record was published on October 9, 2026. A flaw was found in CUPS. When processing embedded job ticket comments within documents, the service improperly handles specific IPP attributes, causing an unhandled null pointer dereference. An unauthenticated attacker permitted to submit jobs to a shared printer queue can send a crafted Internet…
When was CVE-2026-107655 made public?
CVE-2026-107655 was made public on October 9, 2026: that is the date its CVE record's CNA, Red Hat, Inc., gives for when the vulnerability was made public. The CVE record itself was published on October 9, 2026. EchelonGraph's copy of the record carries a last-modified date of October 12, 2026; the record at its source may have been updated since.
Is CVE-2026-107655 actively exploited?
CVE-2026-107655 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (16th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-107655?
CVE-2026-107655 has a CVSS base score of 4.0 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-107655?
A fix for CVE-2026-107655 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-107655 are linked in the Vendor Advisories panel on this page.

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