CVE-2026-35622 json
OpenClaw < 2026.3.22 - Improper Authentication Verification in Google Chat Webhook
published 2026-03-26 7 mo ago modified 2026-06-23 4 mo ago also GHSA-mp66-rf4f-mhh8 , EUVD-2026-21104
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
OpenClaw before 2026.3.22 contains an improper authentication verification vulnerability in Google Chat app-url webhook handling that accepts add-on principals outside intended deployment bindings. Attackers can bypass webhook authentication by providing non-deployment add-on principals to execute unauthorized actions through the Google Chat integration.
Patch / fix
- npm openclaw 2026.3.22
- OpenClaw OpenClaw 2026.3.22
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.0 | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N |
| CNA | 4.0 | 6.0 | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/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 |
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N |
| GitHub | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | openclaw | <2026.3.22 |
2026.3.22 |
Affected products
- OpenClaw OpenClaw
Classification
References
-
github.com
/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
patch, web
-
github.com
/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66
patch, web
-
github.com
/openclaw/openclaw/security/advisories/GHSA-mp66-rf4f-mhh8
vendor-advisory, web
-
vulncheck.com
/advisories/openclaw-improper-authentication-verification-in-google-chat-webhook
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-35622
advisory
-
github.com
/openclaw/openclaw
package
Sources
- CVE List CVE-2026-35622
- GitHub Advisory GHSA-mp66-rf4f-mhh8
- NVD CVE-2026-35622
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