Vulnerability Report

CVE-2026-29612

Title: OpenClaw Denial of Service

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2026-29612.

CWE Category CWE-770

Published Date Mar 05, 2026

Modified Date Mar 11, 2026

Exploit Status Not Found

Score 6.8 CVSS v4.0

Exploit Probability (EPSS)

0.27%

Vulnerability Summary

CVE-2026-29612: OpenClaw versions prior to 2026.2.14 decode base64-backed media inputs into buffers before enforcing decoded-size budget limits, allowing attackers to trigger large memory allocations. Remote attackers can supply oversized base64 payloads to cause memory pressure and denial of service.

Impacted Vendors

openclaw 1

Reference Links

https://github.com/openclaw/openclaw/commit/31791233d60495725fa012745dde8d6ee69e9595 https://github.com/openclaw/openclaw/security/advisories/GHSA-w2cg-vxx6-5xjg https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-large-base-media-file-decoding

CVSS v4.0

Source Entity [email protected]

Severity MEDIUM

6.8

Attack Vector

LOCAL

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:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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 HIGH

7.5

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:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.5

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns