CVE Explorer
CVE-2026-33054
Mesop is a Python-based UI framework that allows users to build web applications. Versions 1.2.2 and below contain a Path Traversal vulnerability that allows any user supplying an untrusted state_token through the UI stream payload to arbitrarily target files on the disk under the standard file-based runtime backend. This can result in application denial of service (via crash loops when reading non-msgpack target files as configurations), or arbitrary file manipulation. This vulnerability heavil
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_v5affectedurn:baitaphish:normalized-source-record:v2:15f73e49b2cb5f645774fa55e5d0242e6da80a69a367371f44f9b0069610477a · sha256:a8eba7f58a08ead1… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:15f73e49b2cb5f645774fa55e5d0242e6da80a69a367371f44f9b0069610477a · sha256:a8eba7f58a08ead1… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:15f73e49b2cb5f645774fa55e5d0242e6da80a69a367371f44f9b0069610477a · sha256:a8eba7f58a08ead1… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/mesop-dev/mesop/commit/c6b382f363b73ac32c402a2db3aadc7784f66a5b","tags":["x_refsource_MISC"],"url":"https://github.com/mesop-dev/mesop/commit/c6b382f363b73ac32c402a2db3aadc7784f66a5b"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:15f73e49b2cb5f645774fa55e5d0242e6da80a69a367371f44f9b0069610477a · sha256:a8eba7f58a08ead1… · /containers/cna/references/1
{"name":"https://github.com/mesop-dev/mesop/releases/tag/v1.2.3","tags":["x_refsource_MISC"],"url":"https://github.com/mesop-dev/mesop/releases/tag/v1.2.3"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:15f73e49b2cb5f645774fa55e5d0242e6da80a69a367371f44f9b0069610477a · sha256:a8eba7f58a08ead1… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://github.com/mesop-dev/mesop/security/advisories/GHSA-8qvf-mr4w-9x2c"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:15f73e49b2cb5f645774fa55e5d0242e6da80a69a367371f44f9b0069610477a · sha256:a8eba7f58a08ead1… · /containers/adp/0/references/0
{"name":"https://github.com/mesop-dev/mesop/security/advisories/GHSA-8qvf-mr4w-9x2c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mesop-dev/mesop/security/advisories/GHSA-8qvf-mr4w-9x2c"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:15f73e49b2cb5f645774fa55e5d0242e6da80a69a367371f44f9b0069610477a · sha256:a8eba7f58a08ead1… · /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.