CVE-2026-105138 json
Obot 0.12.0 before 0.26.2 Credential Exposure via MCP Catalog Entry API
published last mo. modified last mo. also EUVD-2026-94309
- cvss
- 6.5
- 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 18%
- public exploits
- 0
- none known
Summary
Obot 0.12.0 before 0.26.2 contains an insufficiently protected credentials vulnerability that allows authenticated users to read static secrets set on MCP catalog entries by admins or power users. Basic users granted an entry by access control rules can request GET /api/all-mcps/entries/{entry_id} to obtain plaintext API keys or tokens and abuse them against backend services.
Patch / fix
- obot-platform obot 0.26.2
Is CVE-2026-105138 in your stack? 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
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/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 |
Affected products
- obot-platform obot
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
github.com
/obot-platform/obot/commit/644a1fd60a66125ced3de10b350a983e933def7a
patch
-
github.com
/obot-platform/obot/security/advisories/GHSA-q5wf-87f5-cxgq
vendor-advisory
-
github.com
/obot-platform/obot
product
-
github.com
/obot-platform/obot/releases/tag/v0.26.2
release-notes
-
github.com
/obot-platform/obot/blob/774972b92d86e0fbc7e0e9b36fdd06612859df9c/pkg/api/authz/resources.go#L27
technical-description
-
github.com
/obot-platform/obot/blob/774972b92d86e0fbc7e0e9b36fdd06612859df9c/pkg/api/handlers/mcp.go#L206-L212
technical-description
-
vulncheck.com
/advisories/obot-0.12.0-before-0.26.2-credential-exposure-via-mcp-catalog-entry-api
third-party-advisory
Sources
- CVE List CVE-2026-105138
- NVD CVE-2026-105138
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.