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VulnerabilityPublished Updated

CVE-2025-67733: valkey · Injection

Affects valkeySource CVE Database V5

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Not known to be exploited · CVSS 8.5 High · fixed in 9.0.2 : patch valkey soon.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score
8.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 50% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.0.2, 8.1.6, 8.0.7 +1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  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), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade valkey and valkey-io/valkey to 9.0.2, 8.1.6, 8.0.7 or 7.2.12.

Affected software

ProductAffectedFixed in
valkey-iovalkeyAffected
  • >=9.0.0 <9.0.2
Fixed in
  • 9.0.2
valkey-iovalkeyAffected
  • >=8.1.0 <8.1.6
Fixed in
  • 8.1.6
valkey-iovalkeyAffected
  • >=8.0.0 <8.0.7
Fixed in
  • 8.0.7
valkey-iovalkeyAffected
  • <7.2.12
Fixed in
  • 7.2.12
GitHubvalkey-io/valkeypkg:github/valkey-io/valkeyOther threatsAffected
  • <7.2.12
  • <8.0.7
  • <8.1.6
  • <9.0.2
Fixed in
  • 7.2.12
  • 8.0.7
  • 8.1.6
  • 9.0.2

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

AI-suggested

Official fixes are available in valkey versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12. Users should upgrade to one of these versions or later to remediate this vulnerability. Refer to the Red Hat advisories (RHSA-2026:5445 and related) for detailed update instructions. No additional mitigations are indicated by the vendor advisory.

Description

Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious user can use scripting commands to inject arbitrary information into the response stream for the given client, potentially corrupting or returning tampered data to other users on the same connection. The error handling code for lua scripts does not properly handle null characters. Versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12 fix the issue.

References

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