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CVE-2026-50287

AgenticMail gives AI agents real email addresses and phone numbers. Prior to version 0.9.27, @agenticmail/mcp exposes a Streamable HTTP transport when started with --http or MCP_HTTP=1. In that mode, the /mcp endpoint accepts requests without any HTTP authentication layer. A remote client can initialize a session and call tools directly. This issue has been patched in version 0.9.27.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5ec58bd4c840cb4d1ccdf7f836b2c5cd175a7fa091d5b73fb95bccd6c0401d85
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"agenticmail","vendor":"agenticmail","versions":[{"status":"affected","version":"< 0.9.27"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65dfa6e6700f922728854e2b3416cca2c1ef0b1262d9a004491ce7b9b6620007 · sha256:b968914cd831818a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:65dfa6e6700f922728854e2b3416cca2c1ef0b1262d9a004491ce7b9b6620007 · sha256:b968914cd831818a… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:65dfa6e6700f922728854e2b3416cca2c1ef0b1262d9a004491ce7b9b6620007 · sha256:b968914cd831818a… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/agenticmail/agenticmail/security/advisories/GHSA-63gr-g7jc-v8rg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/agenticmail/agenticmail/security/advisories/GHSA-63gr-g7jc-v8rg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65dfa6e6700f922728854e2b3416cca2c1ef0b1262d9a004491ce7b9b6620007 · sha256:b968914cd831818a… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/agenticmail/agenticmail/security/advisories/GHSA-63gr-g7jc-v8rg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65dfa6e6700f922728854e2b3416cca2c1ef0b1262d9a004491ce7b9b6620007 · sha256:b968914cd831818a… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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