Vulnerability Report

CVE-2026-35637

Title: Timing vulnerability allows content access before auth

Other

Proof Of Concept

No public PoC currently indexed for CVE-2026-35637.

CWE Category CWE-696

Published Date Apr 09, 2026

Modified Date Apr 15, 2026

Exploit Status Not Found

Score 6.9 CVSS v4.0

Exploit Probability (EPSS)

0.25%

Vulnerability Summary

CVE-2026-35637: OpenClaw before 2026.3.22 performs cite expansion before completing channel and DM authorization checks, allowing cite work and content handling prior to final auth decisions. Attackers can exploit this timing vulnerability to access or manipulate content before proper authorization validation occurs.

Impacted Vendors

openclaw 1

Reference Links

https://github.com/openclaw/openclaw/commit/3cbf932413e41d1836cb91aed1541a28a3122f93 https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 https://github.com/openclaw/openclaw/commit/ebee4e2210e1f282a982c7ef2ad79d77a572fc87 https://github.com/openclaw/openclaw/security/advisories/GHSA-vfg3-pqpq-93m4 https://www.vulncheck.com/advisories/openclaw-premature-cite-expansion-before-authorization-in-channel-and-dm

CVSS v4.0

Source Entity [email protected]

Severity MEDIUM

6.9

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:N/PR:N/UI:N/VC:L/VI:L/VA:L/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

7.3

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-35637 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 15, 2026 MODIFIED

Vulnerability data updated via NVD.

April 15, 2026 MODIFIED

Vulnerability data updated via NVD.

April 13, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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

Affected Stack

No specific products linked.