Vulnerability Report

CVE-2026-27524

Title: OpenClaw Prototype Pollution in Debug Set

Other

Proof Of Concept

No public PoC currently indexed for CVE-2026-27524.

CWE Category CWE-1321

Published Date Mar 18, 2026

Modified Date Mar 25, 2026

Exploit Status Not Found

Score 2.3 CVSS v4.0

Exploit Probability (EPSS)

0.24%

Vulnerability Summary

CVE-2026-27524: OpenClaw versions prior to 2026.2.21 accept prototype-reserved keys in runtime /debug set override object values, allowing prototype pollution attacks. Authorized /debug set callers can inject __proto__, constructor, or prototype keys to manipulate object prototypes and bypass command gate restrictions.

Impacted Vendors

openclaw 1

Reference Links

https://github.com/openclaw/openclaw/commit/fbb79d4013000552d6a2c23b9613d8b3cb92f6b6 https://github.com/openclaw/openclaw/security/advisories/GHSA-62f6-mrcj-v8h5 https://www.vulncheck.com/advisories/openclaw-prototype-pollution-via-debug-override-path

CVSS v4.0

Source Entity [email protected]

Severity LOW

2.3

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

N/A

RAW VECTOR

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

4.3

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:N

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

4.3

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:N

Associated Attack Patterns (CAPEC)

Total: Patterns