CVE-2026-43572 json
OpenClaw 2026.4.10 < 2026.4.14 - Missing Sender Authorization in Microsoft Teams SSO Invoke Handler
published 6mo ago modified 4mo ago also GHSA-gc9r-867r-j85f , EUVD-2026-27295
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
OpenClaw versions 2026.4.10 before 2026.4.14 contain a missing authorization vulnerability in the Microsoft Teams SSO invoke handler that fails to apply sender allowlist checks. Attackers can bypass sender authorization by sending SSO invoke requests that are processed without proper validation, allowing unauthorized access to Teams SSO signin functionality.
Patch / fix
- npm openclaw 2026.4.14
- OpenClaw OpenClaw 2026.4.14
- github.com/openclaw/openclaw@80b1fa1 commit
- github.com/openclaw/openclaw#66033 pull request
Is CVE-2026-43572 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 6mo ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.3 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 4.0 | 6.3 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | openclaw | >=2026.4.10, <2026.4.14 |
2026.4.14 |
Affected products
- OpenClaw OpenClaw
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
github.com
/openclaw/openclaw/commit/80b1fa17bfc3f6a668492f0326ea52f48bb89776
patch, web
-
github.com
/openclaw/openclaw/pull/66033
web
-
github.com
/openclaw/openclaw/security/advisories/GHSA-gc9r-867r-j85f
vendor-advisory, web
-
vulncheck.com
/advisories/openclaw-missing-sender-authorization-in-microsoft-teams-sso-invoke-handler
third-party-advisory
-
github.com
/openclaw/openclaw
package
Sources
- CVE List CVE-2026-43572
- GitHub Advisory GHSA-gc9r-867r-j85f
- NVD CVE-2026-43572
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.