[UPDATE] [medium] Redis: Multiple vulnerabilities allow execution of arbitrary program code

mediumCVE-2026-23631 CVE-2026-25243 CVE-2026-23479 CVE-2026-25588 CVE-2026-25589

A remote, authenticated attacker can exploit multiple vulnerabilities in Redis to execute arbitrary program code.

CSIRTS triage

vendor: Redis product: Redis Remote code execution

What: Multiple vulnerabilities allow a remote authenticated attacker to execute arbitrary program code.
Who is affected: Authenticated users of Redis are affected.
Urgency: Remediation is medium urgency as exploitation requires authentication.
Action: Update to the latest version of Redis to address these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-27
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1370

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Moderate exploitation riskCVE-2026-236311.8% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 76% of all scored CVEs.
Moderate exploitation riskCVE-2026-252433.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 87% of all scored CVEs.
Moderate exploitation riskCVE-2026-234791.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 67% of all scored CVEs.
Low exploitation riskCVE-2026-255880.99% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 59% of all scored CVEs.
Moderate exploitation riskCVE-2026-255891.4% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 69% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-23631	coverage & exploitation status	NVD · CVE.org
CVE-2026-25243	coverage & exploitation status	NVD · CVE.org
CVE-2026-23479	coverage & exploitation status	NVD · CVE.org
CVE-2026-25588	coverage & exploitation status	NVD · CVE.org
CVE-2026-25589	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownMultiple vulnerabilities in Tenable Security Center (July 21, 2026)cert-fr-avis
unknownMultiple vulnerabilities in IBM products (July 17, 2026)cert-fr-avis

Recent advisories for Redis

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[NEU] [mittel] Redis: Schwachstelle ermöglicht Codeausführungcert-bund · 2026-07-31
unknownRedis security advisory (AV26-748)cccs · 2026-07-27
highCVE-2026-66373: Redis before 8.8.0, in the unusual case where an authenticated attacker can execute RESTORE, a…nvd · 2026-07-25
highGHSA-855v-hq7w-jmjw: Open WebUI: Realtime endpoints accept Redis-revoked JWTs after signout/backchannel logoutghsa · 2026-07-24
highCVE-2026-66373: Redis before 8.8.0, in the unusual case where an authenticated attacker can execute RESTORE, a…msrc · 2026-07-14
highCVE-2026-59219: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9…nvd · 2026-07-09