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CVE-2026-61371

Microsoft AVML before 0.17.0 could follow a symlink when opening a destination output path on Unix, allowing truncation/overwrite of the symlink target. The destructive effect is performed at open-time via O_TRUNC, and can happen before full input validation completes (“truncation-before-validation”).
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:65e5e9f782aa177f2b95717592e2043ef75bdaff19c607fc18929dafdc3eefd3
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-59","description":"CWE-59 Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","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:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-59","description":"CWE-59 Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["exploit"],"url":"https://gist.github.com/thesmartshadow/2d099071f847de8db3dc4bbaf4dfa6df"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/adp/0/references/0
{"url":"https://gist.github.com/thesmartshadow/2d099071f847de8db3dc4bbaf4dfa6df"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/cna/references/2
{"url":"https://github.com/microsoft/avml/pull/754"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/cna/references/0
{"url":"https://github.com/microsoft/avml/releases/tag/v0.17.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d250cae14b7cae1bb04925c87a1b0ac4950621b4080413760e3fb2c5e822e0b0 · sha256:32e577b65db02b7d… · /containers/cna/references/1

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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