CVE-2026-82677

LOWPre-NVD 2.42.4—
EchelonGraph scoreHIGH confidence

Score 2.4 from GitHub Security Advisory (severity: LOW) published 2026-08-31. a secondary CVSS source baseline 2.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
2.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 2.4Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was determined in valkey-io valkey 9.1.0. Impacted is the function moduleTimerHandler of the file src/module.c of the component Module Timer Subsystem. This manipulation causes double free. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: b349fe2821e3998534b1454c1b64a478daf8c6b7. To fix this issue, it is recommended to deploy a patch.

CVSS v3
2.4
EG Score
2.4(high)
EG Risk
27(Track)
EG Risk 27/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity24% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

August 31, 2026

Last Modified

August 31, 2026

References (11)

Vendor Advisories for CVE-2026-82677(1)

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

Affected Packages

(2 across 2 ecosystems)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
valkey8.1.1+dfsg1-3 ... 9.1.1-1 (6 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
valkey8.1.1+dfsg1-3, 8.1.4+dfsg1-1, 8.1.4+dfsg1-2, 9.1.1-1——

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 37× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. 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. Most recent first.

  1. 2026-09-20 01:50 UTCEG score recompute
  2. 2026-09-20 01:50 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 08:00 UTCEG score recompute
  5. 2026-09-17 08:00 UTCGHSA enrichment
  6. 2026-09-16 14:08 UTCEPSS rescore
  7. 2026-09-16 05:15 UTCEPSS rescore
  8. 2026-09-15 03:12 UTCEPSS rescore
  9. 2026-09-15 03:12 UTCEPSS rescore
  10. 2026-09-14 14:10 UTCEG score recompute
  11. 2026-09-14 14:10 UTCGHSA enrichment
  12. 2026-09-11 20:21 UTCEG score recompute
  13. 2026-09-11 20:21 UTCGHSA enrichment
  14. 2026-09-11 14:53 UTCEPSS rescore
  15. 2026-09-11 14:53 UTCEPSS rescore
  16. 2026-09-09 02:31 UTCEG score recompute
  17. 2026-09-09 02:31 UTCGHSA enrichment
  18. 2026-09-08 22:01 UTCEPSS rescore
  19. 2026-09-06 13:48 UTCEPSS rescore
  20. 2026-09-06 08:41 UTCEG score recompute
  21. 2026-09-06 08:41 UTCGHSA enrichment
  22. 2026-09-05 15:31 UTCEPSS rescore
  23. 2026-09-04 05:07 UTCEPSS rescore
  24. 2026-09-03 14:52 UTCEG score recompute
  25. 2026-09-03 14:52 UTCGHSA enrichment
Show 12 more
  1. 2026-09-02 14:12 UTCEPSS rescore
  2. 2026-09-01 13:54 UTCEPSS rescore
  3. 2026-08-31 21:02 UTCGHSA enrichment
  4. 2026-08-31 16:23 UTCEG score recompute
  5. 2026-08-31 16:23 UTCGHSA enrichment
  6. 2026-08-31 16:20 UTCNVD updateCVSS v4 → 1.9
  7. 2026-08-31 15:27 UTCEG score recompute
  8. 2026-08-31 15:27 UTCGHSA enrichment
  9. 2026-08-31 15:24 UTCMITRE cvelistV5CVSS v4 → 4.8
  10. 2026-08-31 10:17 UTCEG score recompute
  11. 2026-08-31 10:17 UTCNVD updateCVSS v4 → 1.9
  12. 2026-08-31 10:15 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82677?
CVE-2026-82677 is a low vulnerability published on August 31, 2026. A vulnerability was determined in valkey-io valkey 9.1.0. Impacted is the function moduleTimerHandler of the file src/module.c of the component Module Timer Subsystem. This manipulation causes double free. The attack can be initiated remotely. The exploit has been publicly disclosed and may be…
When was CVE-2026-82677 disclosed?
CVE-2026-82677 was first published in the National Vulnerability Database on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82677 actively exploited?
CVE-2026-82677 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 78.4% of all scored CVEs.
What is the CVSS score of CVE-2026-82677?
CVE-2026-82677 has a CVSS v3 base score of 2.4 (NVD).
How do I remediate CVE-2026-82677?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82677, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-82677

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