Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-45370

python-utcp is the python implementation of UTCP. Prior to 1.1.3, _prepare_environment() in cli_communication_protocol.py passes a full copy of os.environ to every CLI subprocess. When combined with CVE-2026-45369, an attacker can exfiltrate all process-level secrets in a single tool call. This vulnerability is fixed in 1.1.3.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9073bff92893a7ec200e1d3ea3dfa5319ab7ce81f7ba621e23d85439e62a2b30
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"python-utcp","vendor":"universal-tool-calling-protocol","versions":[{"status":"affected","version":"< 1.1.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6b9ea4816c009416f3cd82379f6561c823dff9057532ff8a8717feba949bf379 · sha256:1069cb0bf380840c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6b9ea4816c009416f3cd82379f6561c823dff9057532ff8a8717feba949bf379 · sha256:1069cb0bf380840c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-526","description":"CWE-526: Cleartext Storage of Sensitive Information in an Environment Variable","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6b9ea4816c009416f3cd82379f6561c823dff9057532ff8a8717feba949bf379 · sha256:1069cb0bf380840c… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/universal-tool-calling-protocol/python-utcp/security/advisories/GHSA-5v57-8rxj-3p2r","tags":["x_refsource_CONFIRM"],"url":"https://github.com/universal-tool-calling-protocol/python-utcp/security/advisories/GHSA-5v57-8rxj-3p2r"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6b9ea4816c009416f3cd82379f6561c823dff9057532ff8a8717feba949bf379 · sha256:1069cb0bf380840c… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/universal-tool-calling-protocol/python-utcp/security/advisories/GHSA-5v57-8rxj-3p2r"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6b9ea4816c009416f3cd82379f6561c823dff9057532ff8a8717feba949bf379 · sha256:1069cb0bf380840c… · /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.

← Back to CVE Explorer