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EUVD-2026-31478

2026-10-12T20:58:43.186617+00:00

EUVD-2026-31478

fkie_cve-2021-41087

2026-10-12T20:58:43.186651+00:00

in-toto-golang is a go implementation of the in-toto framework to protect software supply chain integrity. In affected versions authenticated attackers posing as functionaries (i.e., within a trusted set of users for a layout) are able to create attestations that may bypass DISALLOW rules in the same layout. An attacker with access to trusted private keys, may issue an attestation that contains a disallowed artifact by including path traversal semantics (e.g., foo vs dir/../foo). Exploiting this vulnerability is dependent on the specific policy applied. The problem has been fixed in version 0.3.0.

GHSA-vrxp-mg9f-hwf3 — Improperly Implemented path matching for in-toto-golang

2026-10-12T20:58:43.186685+00:00

Affected: Go: github.com/in-toto/in-toto-golang

### Impact Authenticated attackers posing as functionaries (i.e., within a trusted set of users for a layout) are able to create attestations that may bypass DISALLOW rules in the same layout. An attacker with access to trusted private keys, may issue an attestation that contains a disallowed artifact by including path traversal semantics (e.g., foo vs dir/../foo).

### Patches The problem has been fixed in version 0.3.0.

### Workarounds Exploiting this vulnerability is dependent on the specific policy applied.

### For more information If you have any questions or comments about this advisory: * Open an issue in [in-toto-golang](http://github.com/in-toto/in-toto-golang) * Email us at [in-toto-public](mailto:in-toto-public@googlegroups.com) * If this is a sensitive security-relevant disclosure, please send a PGP encrypted email to santiagotorres@purdue.edu or jcappos@nyu.edu

gsd-2021-41087

2026-10-12T20:58:43.186717+00:00

gsd-2021-41087