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CVE-2026-23631VulnerabilityPublished Updated

Microsoft · redis-server Lua use-after-free may allow remote code execution

Affects MicrosoftSource GCVE Database

0

Not known to be exploited · fixed in 9.0.4 : update Microsoft when convenient.

Data as of 26 Oct 2026, 12:55 UTC

Severity
Unrated

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
3.0% chance of exploitation in 30 days – higher than 87% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.0.4, 8.1.7, 8.0.8 +1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade valkey to 9.0.4, 8.1.7, 8.0.8 or 7.2.13.

Affected software

ProductAffectedFixed in
Bitnamivalkeypkg:bitnami/valkeyOther threatsAffected
  • <7.2.13
  • >=8.0.0 <8.0.8
  • >=8.1.0 <8.1.7
  • >=9.0.0 <9.0.4
Fixed in
  • 7.2.13
  • 8.0.8
  • 8.1.7
  • 9.0.4

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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