CVE catalog

CVE-2026-27489

Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, a path traversal vulnerability via symlink allows to read arbitrary files outsid

[CVE catalog]

Severity: High · CVSS 8.7
Published: Apr 1, 2026, 5:33:51 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.59% · Oct 25, 2026

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	onnx	sid	`1.20.0-6`	vulnerable
Debian	onnx	forky	`1.20.0-6`	vulnerable
Debian	onnx	trixie	`1.17.0-3`	vulnerable
Debian	onnx	bookworm	`1.12.0-2`	vulnerable
Cpe	onnx	Not reported	Not reported	vulnerable
Cpe	onnx	Not reported	`1.21.0`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	onnx	source	sid	`(unfixed)`	not yet assigned	Not reported	[1133190]
Debian	onnx	source	forky	`(unfixed)`	not yet assigned	Not reported	[1133190]
Debian	onnx	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1133190]
Debian	onnx	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1133190]
Cpe	onnx	cpe	Not reported	`1.21.0`	Not reported	Not reported	Not reported

[Debian bug #1133190]

Notes

[trixie] onnx: Minor issue [bookworm] onnx: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libonnx1]Affected
Source package: [onnx]
Details (2)
- 1.12.0-2+b4 · amd64 · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12
- 1.12.0-2+b4 · arm64 · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12
[libonnx-dev]Affected
Source package: [onnx]
Details (2)
- 1.12.0-2+b4 · amd64 · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12
- 1.12.0-2+b4 · arm64 · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12
[libonnxifi]Affected
Source package: [onnx]
Details (2)
- 1.12.0-2+b4 · amd64 · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12
- 1.12.0-2+b4 · arm64 · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12
[libonnx-testdata]Affected
Source package: [onnx]
Details (2)
- 1.12.0-2 · all · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12
- 1.12.0-2 · all · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12
[python3-onnx]Affected
Source package: [onnx]
Details (2)
- 1.12.0-2+b4 · amd64 · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12
- 1.12.0-2+b4 · arm64 · bookworm
  Affected
  nvd · onnx · debian · bookworm; nvd · onnx · debian · 12

[Debian 13 (Trixie)]

[libonnx1t64]Affected
Source package: [onnx]
Details (2)
- 1.17.0-3+b1 · amd64 · trixie
  Affected
  nvd · onnx · debian · 13
- 1.17.0-3+b1 · arm64 · trixie
  Affected
  nvd · onnx · debian · 13
[libonnx-dev]Affected
Source package: [onnx]
Details (2)
- 1.17.0-3+b1 · amd64 · trixie
  Affected
  nvd · onnx · debian · 13
- 1.17.0-3+b1 · arm64 · trixie
  Affected
  nvd · onnx · debian · 13
[libonnx-testdata]Affected
Source package: [onnx]
Details (2)
- 1.17.0-3 · all · trixie
  Affected
  nvd · onnx · debian · 13
- 1.17.0-3 · all · trixie
  Affected
  nvd · onnx · debian · 13
[python3-onnx]Affected
Source package: [onnx]
Details (2)
- 1.17.0-3+b1 · amd64 · trixie
  Affected
  nvd · onnx · debian · 13
- 1.17.0-3+b1 · arm64 · trixie
  Affected
  nvd · onnx · debian · 13

Observed: Oct 23, 2026, 10:35:53 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]