Vulnerability Description
Redis is an in-memory data structure store. In versions of redis-server up to 8.6.3, the RESTORE command does not properly validate serialized values. An authenticated attacker with permission to execute RESTORE can supply a crafted serialized payload that triggers invalid memory access and may lead to remote code execution. A workaround is to restrict access to the RESTORE command with ACL rules. This is patched in version 8.6.3.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redis | Redis | < 8.6.3 |
Related Weaknesses (CWE)
References
- https://github.com/redis/redis/releases/tag/8.6.3Release Notes
- https://github.com/redis/redis/security/advisories/GHSA-c8h9-259x-jff4MitigationVendor Advisory
FAQ
What is CVE-2026-25243?
CVE-2026-25243 is a vulnerability with a CVSS score of 8.8 (HIGH). Redis is an in-memory data structure store. In versions of redis-server up to 8.6.3, the RESTORE command does not properly validate serialized values. An authenticated attacker with permission to exec...
How severe is CVE-2026-25243?
CVE-2026-25243 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-25243?
Check the references section above for vendor advisories and patch information. Affected products include: Redis Redis.