CVE-2026-81934 (GCVE-0-2026-81934)

Vulnerability from cvelistv5 – Published: 2026-08-27 19:40 – Updated: 2026-08-27 19:40
VLAI
Title
Redis TLS pending-data list use-after-free
Summary
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. Fixed in Redis 8.2.9, 8.4.6, 8.6.6, 8.8.2, and 8.10.1.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · cisa-cg (v2.0.3)
Decision recorded 2026-08-27 19:12 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Redis Redis Affected: 8.8.0
Unaffected: 8.2.9
Unaffected: 8.4.6
Unaffected: 8.6.6
Unaffected: 8.8.2
Unaffected: 8.10.1
guessed Create a notification for this product.
Date Public
2026-08-17 00:00
Show details on NVD website
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          "vendor": "Redis",
          "versions": [
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              "version": "8.4.6"
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    "dateReserved": "2026-08-27T19:15:11.715Z",
    "dateUpdated": "2026-08-27T19:40:15.141Z",
    "state": "PUBLISHED"
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.