CVE-2026-24810

CRITICALNVD 10.010.0
EchelonGraph scoreMEDIUM confidence

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

This critical-severity CVE scores 10.0 under NVD CVSS v3. EPSS exploit probability: 0.3% (25th percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from NVD CVSS v3
Sources: EPSS, NVD CVSS v3
Trending — 3 sources updated this week

Also known asEUVD-2026-4821 (ENISA EUVD) · GHSA-6x36-5hv7-6j2r (GitHub Security Advisories)Source: ENISA EUVD

10.0EG
EchelonGraph verdictPlan mitigationThe upstream fix is not in a release yet: until the release ships, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule at low or medium mission impact and sooner than that at high, then apply it (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 10.0Exploit: None knownExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules). This vulnerability is associated with program files cJSON.Cc.

This issue affects rethinkdb: through v2.4.4.

CVSS v3
10.0
EG Score
10.0CRITICALmedium confidence
EG Risk
60
EG Risk 60/100

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)
Severity100% × 45%
Impact severity (EG Severity): CVSS 10.0 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.3% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable yes (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: An upstream fix is merged but not yet in a tagged release. Until the release ships, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule at low or medium mission impact and sooner than that at high, then apply it.
EPSS PROB
0.3%
EPSS %ILE
25th
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 (10.0): severity, escalated by confirmed exploitation. This CVE's 10.0 is its impact severity (EG Severity), not escalated.

EG Severity
10.0 CRITICALCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.NVD CVSS v3 · CVSS v3.0 or v3.1
EG Likelihood
0.3% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-01). 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; Attend at high (mission-essential systems).CISA BOD 26-04: 3 days if the affected system is publicly exposed; 60 days if it is not.No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says.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; Attend at high (mission-essential systems).

An upstream fix is merged but not yet in a tagged release. Until the release ships, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule at low or medium mission impact and sooner than that at high, then apply it.

Exploitation none (CISA Vulnrichment) · Automatable yes (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)3 days if the affected system is publicly exposed; 60 days if it is not.

No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable yes (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

January 27, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Nov 1, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
GitHub pull request

Fix: Buffer Overflow Vulnerability in cJSON String Parsing Function

Fix merged in rethinkdb/rethinkdb PR #7163 on 2025-06-30 — awaiting tagged release

https://github.com/rethinkdb/rethinkdb/pull/7163

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 22× in last 7d / 79× 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 284 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 184 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-02 09:44 UTCEG score recompute
  2. 2026-11-02 09:44 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  3. 2026-11-01 16:34 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  4. 2026-11-01 11:24 UTCEG score recompute
  5. 2026-11-01 11:24 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  6. 2026-10-31 16:32 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  7. 2026-10-31 13:04 UTCEG score recompute
  8. 2026-10-31 13:04 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  9. 2026-10-30 16:34 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  10. 2026-10-30 14:41 UTCEG score recompute
  11. 2026-10-30 14:41 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  12. 2026-10-29 16:32 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  13. 2026-10-29 16:21 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  14. 2026-10-28 18:00 UTCEG score recompute
  15. 2026-10-28 18:00 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  16. 2026-10-28 16:31 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  17. 2026-10-27 19:37 UTCEG score recompute
  18. 2026-10-27 19:37 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  19. 2026-10-27 16:31 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  20. 2026-10-26 21:17 UTCEG score recompute
  21. 2026-10-26 21:16 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  22. 2026-10-26 16:31 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  23. 2026-10-25 20:49 UTCEG score recompute
  24. 2026-10-25 20:49 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  25. 2026-10-25 16:32 UTCEPSS rescoreEPSS 0.3% · 25th percentile
Show 75 more
  1. 2026-10-25 14:40 UTCEG score recompute
  2. 2026-10-24 22:28 UTCEG score recompute
  3. 2026-10-24 22:28 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  4. 2026-10-24 16:32 UTCEPSS rescoreEPSS 0.3% · 24th percentile
  5. 2026-10-24 00:05 UTCEG score recompute
  6. 2026-10-24 00:05 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  7. 2026-10-23 16:31 UTCEPSS rescoreEPSS 0.3% · 24th percentile
  8. 2026-10-23 01:44 UTCEG score recompute
  9. 2026-10-23 01:43 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  10. 2026-10-22 16:34 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  11. 2026-10-22 03:21 UTCEG score recompute
  12. 2026-10-22 03:21 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  13. 2026-10-21 16:32 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  14. 2026-10-21 05:00 UTCEG score recompute
  15. 2026-10-21 05:00 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  16. 2026-10-20 16:32 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  17. 2026-10-20 06:39 UTCEG score recompute
  18. 2026-10-20 06:39 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  19. 2026-10-19 16:31 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  20. 2026-10-19 08:16 UTCEG score recompute
  21. 2026-10-19 08:15 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  22. 2026-10-18 16:31 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  23. 2026-10-18 09:53 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  24. 2026-10-18 03:53 UTCEG score recompute
  25. 2026-10-17 16:33 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  26. 2026-10-17 06:27 UTCEG score recompute
  27. 2026-10-17 06:27 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  28. 2026-10-16 16:41 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  29. 2026-10-16 07:51 UTCEG score recompute
  30. 2026-10-16 07:50 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  31. 2026-10-15 16:31 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  32. 2026-10-15 06:51 UTCEG score recompute
  33. 2026-10-15 06:51 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  34. 2026-10-14 16:32 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  35. 2026-10-14 02:36 UTCEG score recompute
  36. 2026-10-14 02:36 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  37. 2026-10-13 16:33 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  38. 2026-10-12 22:49 UTCEG score recompute
  39. 2026-10-12 22:48 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  40. 2026-10-12 16:33 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  41. 2026-10-12 16:19 UTCEG score recompute
  42. 2026-10-12 09:02 UTCGHSA enrichmentGHSA-6x36-5hv7-6j2r · GitHub severity CRITICAL
  43. 2026-10-11 20:02 UTCEG score recompute
  44. 2026-10-11 17:15 UTCEG score recompute
  45. 2026-10-11 14:46 UTCEG score recompute
  46. 2026-10-11 13:48 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  47. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  48. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  49. 2026-10-09 09:58 UTCOSV refresh
  50. 2026-10-08 17:11 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  51. 2026-10-07 23:47 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  52. 2026-10-06 15:17 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  53. 2026-10-05 17:42 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  54. 2026-10-04 23:21 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  55. 2026-10-03 14:25 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  56. 2026-10-01 19:49 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  57. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  58. 2026-09-29 15:21 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  59. 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  60. 2026-09-27 13:47 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  61. 2026-09-26 15:58 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  62. 2026-09-26 00:26 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  63. 2026-09-24 14:03 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  64. 2026-09-20 20:15 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  65. 2026-09-19 17:03 UTCOSV refresh
  66. 2026-09-18 19:27 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  67. 2026-09-16 14:07 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  68. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  69. 2026-09-13 16:47 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  70. 2026-09-12 15:01 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  71. 2026-09-11 14:52 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  72. 2026-09-10 09:34 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  73. 2026-09-08 22:00 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  74. 2026-09-07 16:01 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  75. 2026-09-06 13:47 UTCEPSS rescoreEPSS 0.3% · 20th percentile

Frequently asked(5)

What is CVE-2026-24810?
CVE-2026-24810 is a critical-severity vulnerability; its CVE record was published on January 27, 2026. Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules). This vulnerability is associated with program files cJSON.Cc. This issue affects rethinkdb: through v2.4.4.
When was the CVE record for CVE-2026-24810 published?
The CVE record for CVE-2026-24810 was published on January 27, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of June 17, 2026; the record at its source may have been updated since.
Is CVE-2026-24810 actively exploited?
CVE-2026-24810 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (25th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-24810?
CVE-2026-24810 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-24810?
An upstream fix for CVE-2026-24810 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix.

Dependency Blast Radius

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