What is CVE-2026-25588?

CVE-2026-25588 is a high-severity vulnerability in Redistimeseries, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-05-05.

How severe is CVE-2026-25588?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Redistimeseries

CVE-2026-25588

RedisTimeSeries is a time-series module for Redis. In all versions before 1.12.14 of RedisTimeSeries, the module does not properly validate serialized values processed through the Redis RESTORE command. An authenticated attacker with permi…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (50.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Redistimeseries — versions < 1.12.14

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

https://github.com/RedisTimeSeries/RedisTimeSeries/releases/tag/v1.12.14 (Product, Patch, x_refsource_MISC)
https://github.com/RedisTimeSeries/RedisTimeSeries/security/advisories/GHSA-7jwr-g5qv-w3gw (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-25588?: CVE-2026-25588 is a high-severity vulnerability in Redistimeseries, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-05-05.
How severe is CVE-2026-25588?: High severity. CVSS v3 base score is 8.8 out of 10.