Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-pg8g-f2hf-x82m
Advisory ID github_osv/GHSA-pg8g-f2hf-x82m
Aliases
Summary Duplicate Advisory: OpenClaw: `fetchWithSsrFGuard` replays unsafe request bodies across cross-origin redirects ### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-qx8j-g322-qj6m. This link is maintained to preserve external references. ### Original Description OpenClaw before 2026.3.31 (patched in 2026.4.8) contains a request body replay vulnerability in fetchWithSsrFGuard that allows unsafe request bodies to be resent across cross-origin redirects. Attackers can exploit this by triggering redirects to exfiltrate sensitive request data or headers to unintended origins.
Status Published
Exploitability 0.5
Weighted Severity 6.4
Risk 3.2
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
System Score Found at
cvssv3.1 6.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-pg8g-f2hf-x82m/GHSA-pg8g-f2hf-x82m.json
cvssv4 7.1 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-pg8g-f2hf-x82m/GHSA-pg8g-f2hf-x82m.json
generic_textual HIGH
Reference id Reference type URL
https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5
https://github.com/openclaw/openclaw/security/advisories/GHSA-qx8j-g322-qj6m
https://www.vulncheck.com/advisories/openclaw-unsafe-request-body-replay-via-fetchwithssrfguard-cross-origin-redirects
CVE-2026-40037 https://nvd.nist.gov/vuln/detail/CVE-2026-40037
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-pg8g-f2hf-x82m/GHSA-pg8g-f2hf-x82m.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:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/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/2026/04/GHSA-pg8g-f2hf-x82m/GHSA-pg8g-f2hf-x82m.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.