CVE-2026-43526
OpenClaw < 2026.4.12 - Server-Side Request Forgery via QQBot Reply Media URL Handling
OpenClaw before 2026.4.12 contains a server-side request forgery vulnerability in QQBot reply media URL handling that allows attackers to fetch arbitrary content. Attackers can exploit this by providing malicious media URLs that trigger SSRF requests, with fetched bytes subsequently re-uploaded through the channel.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
OpenClaw < 2026.4.12 - Server-Side Request Forgery via QQBot Reply Media URL Handling
OpenClaw before 2026.4.12 contains a server-side request forgery vulnerability in QQBot reply media URL handling that allows attackers to fetch arbitrary content. Attackers can exploit this by providing malicious media URLs that trigger SSRF requests, with fetched bytes subsequently re-uploaded through the channel.
- Record
CVE-2026-43526- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
EUVDEUVD-2026-27263
OpenClaw before 2026.4.12 contains a server-side request forgery vulnerability in QQBot reply media URL handling that allows attackers to fetch arbitrary content. Attackers can exploit this by providing malicious media URLs that trigger SSRF requests, with fetched bytes subsequently re-uploaded through the channel.
- Record
EUVD-2026-27263- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2767-2q9v-9326
OpenClaw: QQBot reply media URL handling could trigger SSRF and re-upload fetched bytes
Summary
QQBot reply media URL handling could trigger SSRF and re-upload fetched bytes.
Affected Packages / Versions
- Package:
openclaw - Ecosystem: npm
- Affected versions:
< 2026.4.12 - Patched versions:
>= 2026.4.12
Impact
QQBot reply media URLs could be treated as trusted media sources, allowing SSRF fetches whose returned bytes were then re-uploaded through the channel.
Technical Details
The fix routes QQBot remote media fetches through SSRF-guarded media fetching and explicit URL allowlist policy.
Fix
The issue was fixed in #63495 and #65788. The first stable tag containing the fix is v2026.4.12, and [email protected] includes the fix.
Fix Commit(s)
08ae021d1f4f02e0ca5fd8a3b9659291c1ecf95addb7a8dd80b8d5dd04aafa44ce7a4354b568bb2d- PR: #63495, #65788
Release Process Note
Users should upgrade to openclaw 2026.4.12 or newer. The latest npm release, 2026.4.14, already includes the fix.
Credits
Thanks to @threalwinky for reporting this issue.
- Record
GHSA-2767-2q9v-9326- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
NVD
OpenClaw before 2026.4.12 contains a server-side request forgery vulnerability in QQBot reply media URL handling that allows attackers to fetch arbitrary content. Attackers can exploit this by providing malicious media URLs that trigger SSRF requests, with fetched bytes subsequently re-uploaded through the channel.
- Record
CVE-2026-43526- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/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 - CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - CVSS 3.1
- 9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
OSV
OpenClaw < 2026.4.12 - Server-Side Request Forgery via QQBot Reply Media URL Handling
OpenClaw before 2026.4.12 contains a server-side request forgery vulnerability in QQBot reply media URL handling that allows attackers to fetch arbitrary content. Attackers can exploit this by providing malicious media URLs that trigger SSRF requests, with fetched bytes subsequently re-uploaded through the channel.
- Record
CVE-2026-43526- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-918
- Updated
- 2026-11-11
OSVGHSA-2767-2q9v-9326
OpenClaw: QQBot reply media URL handling could trigger SSRF and re-upload fetched bytes
Summary
QQBot reply media URL handling could trigger SSRF and re-upload fetched bytes.
Affected Packages / Versions
- Package:
openclaw - Ecosystem: npm
- Affected versions:
< 2026.4.12 - Patched versions:
>= 2026.4.12
Impact
QQBot reply media URLs could be treated as trusted media sources, allowing SSRF fetches whose returned bytes were then re-uploaded through the channel.
Technical Details
The fix routes QQBot remote media fetches through SSRF-guarded media fetching and explicit URL allowlist policy.
Fix
The issue was fixed in #63495 and #65788. The first stable tag containing the fix is v2026.4.12, and [email protected] includes the fix.
Fix Commit(s)
08ae021d1f4f02e0ca5fd8a3b9659291c1ecf95addb7a8dd80b8d5dd04aafa44ce7a4354b568bb2d- PR: #63495, #65788
Release Process Note
Users should upgrade to openclaw 2026.4.12 or newer. The latest npm release, 2026.4.14, already includes the fix.
Credits
Thanks to @threalwinky for reporting this issue.
- Record
GHSA-2767-2q9v-9326- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openclawnpm |
before 2026.4.12 | 2026.4.12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-43526 is a high vulnerability (CVSS 8.3) in Openclaw, published April 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in openclaw 2026.4.12.
References
github.com/openclaw/openclaw/security/advisories/GHSA-2767-2q9v-9326
vulncheck.com/advisories/openclaw-server-side-request-forgery-via-qqbot-reply-media-url-handling