Vulnerability Report

CVE-2025-67733

Title: Data corruption via scripting commands in Valkey

Other

Proof Of Concept

PoC Available for CVE-2025-67733

CWE Category CWE-74
Published Date Feb 23, 2026
Modified Date Feb 25, 2026
Exploit Status Available
Score 8.5 CVSS v3.1
Exploit Probability (EPSS)
0.41%

Vulnerability Summary

CVE-2025-67733: 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.

Impacted Vendors

L
lfprojects 1

Reference Links

https://github.com/valkey-io/valkey/security/advisories/GHSA-p876-p7q5-hv2m
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-67733 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/JYlab/CVE-2025-67733-RESP-Injection-PoC
View Code
GitHub https://github.com/JYlab/CVE-2025-67733
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H

Affected Stack

No specific products linked.