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CVE-2026-57456

Vim is an open source, command line text editor. Prior to 9.2.0699, Vim's Python omni-completion (runtime/autoload/python3complete.vim and the legacy pythoncomplete.vim) executes reconstructed function and class definitions from the current buffer with exec() as part of populating the completion dictionary. When reconstructing that source, each scope's docstring is inserted verbatim between triple quotes with no escaping, so a hostile buffer can break out of the triple-quoted literal and execute
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:12714d73c371166da62ad6ed73a97eed1b0c9c238ac75cfab5ef40cf0e4767da
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"vim","vendor":"vim","versions":[{"status":"affected","version":"< 9.2.0699"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf7ab4cf089cbe4542340baf6fd67553c13d0fe71c1bc23713eac422cf987c12 · sha256:2f20e421c21c6e29… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.4,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bf7ab4cf089cbe4542340baf6fd67553c13d0fe71c1bc23713eac422cf987c12 · sha256:2f20e421c21c6e29… · /containers/cna/metrics/0/cvssV4_0

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:bf7ab4cf089cbe4542340baf6fd67553c13d0fe71c1bc23713eac422cf987c12 · sha256:2f20e421c21c6e29… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/vim/vim/commit/cce141c42740f122dd8486ae04e21c2a81016ba8","tags":["x_refsource_MISC"],"url":"https://github.com/vim/vim/commit/cce141c42740f122dd8486ae04e21c2a81016ba8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf7ab4cf089cbe4542340baf6fd67553c13d0fe71c1bc23713eac422cf987c12 · sha256:2f20e421c21c6e29… · /containers/cna/references/1
{"name":"https://github.com/vim/vim/releases/tag/v9.2.0699","tags":["x_refsource_MISC"],"url":"https://github.com/vim/vim/releases/tag/v9.2.0699"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf7ab4cf089cbe4542340baf6fd67553c13d0fe71c1bc23713eac422cf987c12 · sha256:2f20e421c21c6e29… · /containers/cna/references/2
{"name":"https://github.com/vim/vim/security/advisories/GHSA-ppj8-wqjf-6fp3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vim/vim/security/advisories/GHSA-ppj8-wqjf-6fp3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf7ab4cf089cbe4542340baf6fd67553c13d0fe71c1bc23713eac422cf987c12 · sha256:2f20e421c21c6e29… · /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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