CVE-2026-66373

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-66373
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-25 01:16:26 UTC
Updated2026-07-25 01:16:26 UTC
DescriptionRedis before 8.8.0, in the unusual case where an authenticated attacker can execute RESTORE, allows remote code execution via a RESTORE payload where the same NACK (pending entry) is referenced by more than one consumer, because deleting both consumers via XGROUP DELCONSUMER leads to a double free. NOTE: this issue exists because of an incomplete fix for CVE-2026-25243.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-415 | CWE-415 CWE-415 Double Free

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Redis Redis affected 8.8.0 semver Not specified

References

ReferenceSourceLinkTags
news.ycombinator.com/item [email protected] news.ycombinator.com
github.com/redis/redis/compare/8.6.4...8.8.0 [email protected] github.com
github.com/berabuddies/redis-poc [email protected] github.com
github.com/redis/redis/pull/15081 [email protected] github.com
x.com/Fried_rice/status/2080059356322918777 [email protected] x.com
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