Watch card · compiled automatically, not analysed
CVE-2026-103091
Missing Authorization (CWE-862) and Initialization of a Resource with an Insecure Default (CWE-1188) in the MCP proxy (HandleStreamPassThrough in…
AI summaryGoogle OSS Agent Mesh (SAM) 0.1.0 alpha versions have missing authorization in the MCP proxy and insecure defaults in OIDC registration.
Our research pipeline compiles this page from public data. It contains no human judgement from PlainCVE; rely on the original advisories for facts.
Our status
Candidate — Not queued for research yet. Below is public data only.
Key numbers
- CVSS
- 9.3 v4.0
- CISA KEV
- Not listed
- EPSS
- 0.50%
- Momentum
- —
Timeline
- 2026-10-19DisclosedNVD
How much time similar vulnerabilities gave
This item is not mapped to a category yet, so here are the overall numbers: of 390 vulnerabilities disclosed since 2025 and added to KEV, the median time from disclosure to KEV was 5 days; 54% were added within 7 days.
This one: not in KEV so far (that does not mean it is not exploited).
Counts only vulnerabilities CISA has confirmed as exploited; disclosure is the NVD publication date, which can differ from the vendor advisory.
Primary sources
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