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CVE-2026-39847

Emmett is a full-stack Python web framework designed with simplicity. From 2.5.0 to before 2.8.1, the RSGI static handler for Emmett's internal assets (/__emmett__ paths) is vulnerable to path traversal attacks. An attacker can use ../ sequences (eg /__emmett__/../rsgi/handlers.py) to read arbitrary files outside the assets directory. This vulnerability is fixed in 2.8.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0f9890bdac9c894613d8d58c3d4061d5b5e54b354d79b82bd9192fe1764986b9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"emmett","vendor":"emmett-framework","versions":[{"status":"affected","version":">= 2.5.0, < 2.8.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e1ac79307b7f19689b363f1c61277b7fbeca909db78f75b96432cd0ee5947226 · sha256:53fd29ef61c2f193… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e1ac79307b7f19689b363f1c61277b7fbeca909db78f75b96432cd0ee5947226 · sha256:53fd29ef61c2f193… · /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_v5cwe
    urn:baitaphish:normalized-source-record:v2:e1ac79307b7f19689b363f1c61277b7fbeca909db78f75b96432cd0ee5947226 · sha256:53fd29ef61c2f193… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/emmett-framework/emmett/security/advisories/GHSA-pr46-2v3c-5356","tags":["x_refsource_CONFIRM"],"url":"https://github.com/emmett-framework/emmett/security/advisories/GHSA-pr46-2v3c-5356"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e1ac79307b7f19689b363f1c61277b7fbeca909db78f75b96432cd0ee5947226 · sha256:53fd29ef61c2f193… · /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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