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CVE-2026-34447

Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is a symlink traversal vulnerability in external data loading allows reading files outside the model directory. This issue has been patched in version 1.21.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5e9ca1dc63c559f9ce25ccf0d5de32ab031aa63ac8d67679c4addb6b8469b0bf
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

{"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:v2:1706a97db0f2811fa694b2b9a501ca5b8088c2dcf09796db606c677f1b8259b9 · sha256:2bb13fa9052c1e00… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-61","description":"CWE-61: UNIX Symbolic Link (Symlink) Following","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1706a97db0f2811fa694b2b9a501ca5b8088c2dcf09796db606c677f1b8259b9 · sha256:2bb13fa9052c1e00… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"onnx","vendor":"onnx","versions":[{"status":"affected","version":"< 1.21.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1706a97db0f2811fa694b2b9a501ca5b8088c2dcf09796db606c677f1b8259b9 · sha256:2bb13fa9052c1e00… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:1706a97db0f2811fa694b2b9a501ca5b8088c2dcf09796db606c677f1b8259b9 · sha256:2bb13fa9052c1e00… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"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:v2:1706a97db0f2811fa694b2b9a501ca5b8088c2dcf09796db606c677f1b8259b9 · sha256:2bb13fa9052c1e00… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-61","description":"CWE-61: UNIX Symbolic Link (Symlink) Following","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1706a97db0f2811fa694b2b9a501ca5b8088c2dcf09796db606c677f1b8259b9 · sha256:2bb13fa9052c1e00… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1706a97db0f2811fa694b2b9a501ca5b8088c2dcf09796db606c677f1b8259b9 · sha256:2bb13fa9052c1e00… · /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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