Detections
Analytics

CVE-2026-35633

high

Description

OpenClaw before 2026.3.22 contains an unbounded memory allocation vulnerability in remote media HTTP error handling that allows attackers to trigger excessive memory consumption. Attackers can send crafted HTTP error responses with large bodies to remote media endpoints, causing the application to allocate unbounded memory before failure handling occurs.

References

https://www.vulncheck.com/advisories/openclaw-unbounded-memory-allocation-via-remote-media-error-responses

https://github.com/openclaw/openclaw/security/advisories/GHSA-4qwc-c7g9-4xcw

https://github.com/openclaw/openclaw/commit/81445a901091a5d27ef0b56fceedbe4724566438

https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87

Details

Source: Mitre, NVD

Published: 2026-04-09

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

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

Severity: Medium

CVSS v4

Base Score: 8.2

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00181