---
cve: "CVE-2026-81934"
severity: "HIGH"
cvss: 7.5
epss: "44%"
vendor: "Redis"
kev: false
exploited: false
published: "2026-08-27 20:18:57"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T03:28:19+02:00"
---

# CVE-2026-81934

> 7.5 HIGH · 🧪 PoC

## Beschreibung

Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server.

## CVSS-Vektor

```
CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Benachbart | warn |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- c5031f43a7eaa0d96311746acf759ee6d6acb053 (Commit)
- 0eb14894da51df6d1e4a748e3308b95deb85617d (Commit)

## Referenzen

- <https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834>
- <https://github.com/v12-security/pocs/tree/main/redis/server_ssl>
- <https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES>
- <https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES>
- <https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES>
- <https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES>
- <https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES>
- <https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-239-01.json>
- <https://www.cve.org/CVERecord?id=CVE-2026-81934>
- <https://github.com/redis/redis/releases/tag/6.2.24>
- <https://github.com/redis/redis/releases/tag/7.2.16>
- <https://github.com/redis/redis/releases/tag/7.4.11>
- <https://github.com/redis/redis/releases/tag/8.4.6>
- <https://github.com/redis/redis/releases/tag/8.2.9>
- <https://github.com/redis/redis/releases/tag/8.6.6>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-81934) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_