CVE-2025-46686
CVE-2025-46686 is a low-severity vulnerability with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.
Key facts
- Severity: Low (CVSS 3.x base score 3.5)
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-22464
- Weakness: CWE-401
- Published:
- Last modified:
Description
Redis through 8.0.3 allows memory consumption via a multi-bulk command composed of many bulks, sent by an authenticated user. This occurs because the server allocates memory for the command arguments of every bulk, even when the command is skipped because of insufficient permissions. NOTE: this is disputed by the Supplier because abuse of the commands network protocol is not a violation of the Redis Security Model.
Frequently asked questions
- What is CVE-2025-46686?
- Redis through 8.0.3 allows memory consumption via a multi-bulk command composed of many bulks, sent by an authenticated user. This occurs because the server allocates memory for the command arguments of every bulk, even when the command is skipped because of insufficient permissions. NOTE: this is disputed by the Supplier because abuse of the commands network protocol is not a violation of the Redis Security Model.
- How severe is CVE-2025-46686?
- CVE-2025-46686 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2025-46686 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-46686?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-46686 have an EU (EUVD) identifier?
- Yes. CVE-2025-46686 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22464.
- When was CVE-2025-46686 published?
- CVE-2025-46686 was published on 2025-07-23 and last updated on 2026-06-17.
References
- https://github.com/io-no/CVE-Reports/issues/1
- https://github.com/redis/redis
- https://github.com/redis/redis/security/advisories/GHSA-2r7g-8hpc-rpq9
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