CVE-2026-82677
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/user-attachments/files/30118801/PoC.zip
- https://github.com/valkey-io/valkey/
- https://github.com/valkey-io/valkey/commit/b349fe2821e3998534b1454c1b64a478daf8c6b7
- https://github.com/valkey-io/valkey/issues/4200
- https://github.com/valkey-io/valkey/pull/4211
- https://vuldb.com/cve/CVE-2026-82677
- https://vuldb.com/submit/893959
- https://vuldb.com/vuln/397172
- https://vuldb.com/vuln/397172/cti
CWEs
CWE-119 CWE-415
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.