CVE-2026-27524

MEDIUM

OpenClaw < 2026.2.21 - Prototype Pollution via Debug Override Path

Title source: cna

Description

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.

References (3)

[Third Party Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-62f6-mrcj-v8h5

[Patch] https://github.com/openclaw/openclaw/commit/fbb79d4013000552d6a2c23b9613d8b3cb92f6b6

View Patch ZIP pw:eip

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-prototype-pollution-via-debug-override-path

Scores

CVSS v3 4.3

EPSS 0.0004

EPSS Percentile 10.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Details

CWE

CWE-1321

Status published

Products (3)

npm/openclaw 0 - 2026.2.21npm

OpenClaw/OpenClaw < 2026.2.21

openclaw/openclaw < 2026.2.21

Published Mar 18, 2026

Tracked Since Mar 18, 2026