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CVE-2026-33057

Mesop is a Python-based UI framework that allows users to build web applications. In versions 1.2.2 and below, an explicit web endpoint inside the ai/ testing module infrastructure directly ingests untrusted Python code strings unconditionally without authentication measures, yielding standard Unrestricted Remote Code Execution. Any individual capable of routing HTTP logic to this server block will gain explicit host-machine command rights. The AI codebase package includes a lightweight debuggin
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8d2f28ba3e214a24d3c3700531d1d1af5c0c49ecb2d4c1d6aae499e51fc8acd9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"mesop","vendor":"mesop-dev","versions":[{"status":"affected","version":"< 1.2.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6da0b3aee8df81c3ced2a8d0d72ffda0802ad3c99891f75fa998ee09b56bda9b · sha256:ece895c3470d92c7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6da0b3aee8df81c3ced2a8d0d72ffda0802ad3c99891f75fa998ee09b56bda9b · sha256:ece895c3470d92c7… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6da0b3aee8df81c3ced2a8d0d72ffda0802ad3c99891f75fa998ee09b56bda9b · sha256:ece895c3470d92c7… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/mesop-dev/mesop/commit/825f55970c20686de3f28e2c66df4d74e9d4db47","tags":["x_refsource_MISC"],"url":"https://github.com/mesop-dev/mesop/commit/825f55970c20686de3f28e2c66df4d74e9d4db47"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6da0b3aee8df81c3ced2a8d0d72ffda0802ad3c99891f75fa998ee09b56bda9b · sha256:ece895c3470d92c7… · /containers/cna/references/1
{"name":"https://github.com/mesop-dev/mesop/security/advisories/GHSA-gjgx-rvqr-6w6v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mesop-dev/mesop/security/advisories/GHSA-gjgx-rvqr-6w6v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6da0b3aee8df81c3ced2a8d0d72ffda0802ad3c99891f75fa998ee09b56bda9b · sha256:ece895c3470d92c7… · /containers/cna/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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