Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-35vf-vw9f-q3cr
Advisory ID github_osv/GHSA-35vf-vw9f-q3cr
Aliases
Summary Duplicate Advisory: OpenClaw: MCP loopback owner context is derived from server-issued bearer tokens ### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-r6xh-pqhr-v4xh. This link is maintained to preserve external references. ### Original Description OpenClaw before 2026.4.22 derives loopback MCP owner context from spoofable server-issued bearer tokens in request headers. Non-owner loopback clients can present themselves as owner to bypass owner-gated operations by manipulating the sender-owner header metadata.
Status Published
Exploitability 0.5
Weighted Severity 7.7
Risk 3.9
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-290 Authentication Bypass by Spoofing
System Score Found at
cvssv3.1 7.8 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-35vf-vw9f-q3cr/GHSA-35vf-vw9f-q3cr.json
cvssv4 8.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-35vf-vw9f-q3cr/GHSA-35vf-vw9f-q3cr.json
generic_textual HIGH
Reference id Reference type URL
3cb1a56bfc9579a0f2336f9cfa12a8a744332a19 Other https://github.com/openclaw/openclaw/commit/3cb1a56bfc9579a0f2336f9cfa12a8a744332a19
CVE-2026-44118 https://nvd.nist.gov/vuln/detail/CVE-2026-44118
GHSA-r6xh-pqhr-v4xh Advisory https://github.com/openclaw/openclaw/security/advisories/GHSA-r6xh-pqhr-v4xh
openclaw-owner-context-spoofing-via-bearer-token-header Advisory https://www.vulncheck.com/advisories/openclaw-owner-context-spoofing-via-bearer-token-header
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-35vf-vw9f-q3cr/GHSA-35vf-vw9f-q3cr.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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 Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-35vf-vw9f-q3cr/GHSA-35vf-vw9f-q3cr.json
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.