[UPDATE] [hoch] Redis: Mehrere Schwachstellen

highCVE-2026-81934

Ein Angreifer kann mehrere Schwachstellen in Redis ausnutzen, um Sicherheitsmechanismen zu umgehen, unberechtigt auf Daten zuzugreifen, einen Denial-of-Service-Zustand herbeizuführen oder Speicherinhalte zu manipulieren. Die Ausführung beliebigen Programmcodes ist potenziell möglich.

CSIRTS triage

vendor: Redis product: Redis Authentication bypass Denial of service Remote code execution

What: Redis contains multiple vulnerabilities allowing attackers to bypass security mechanisms, gain unauthorized data access, cause denial-of-service, and potentially execute arbitrary code.
Who is affected: All Redis deployments, especially those exposed to untrusted networks or with weak authentication.
Urgency: High; unpatched vulnerabilities with broad impact including potential code execution.
Action: Apply security patches addressing CVE-2026-81934 and update Redis to the latest patched version.

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: high
Published: 2026-09-15
Exploitation: Not in CISA KEV at last sync

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3077

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.

Low exploitation riskCVE-2026-819340.43% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-81934	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

highCVE-2026-81934: Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which…nvd

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.

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