HIGH

CVE-2026-90774

2026-09-13 CVSS v3.1

CVSS

7.5

Description

rustypaste before 0.18.1 validates the destination path before applying the optional custom filename HTTP header, allowing attackers to bypass directory-escape checks. Attackers can supply path traversal sequences in the filename header to write files outside the configured upload directory to arbitrary locations.

Weakness (CWE)

CWE-22 Path Traversal

EPSS Score

0.38%

Probability of exploitation in next 30 days

32.2th percentile

References

https://github.com/orhun/rustypaste https://github.com/orhun/rustypaste/blob/v0.18.0/src/paste.rs https://github.com/orhun/rustypaste/commit/ac05d552596af4a8429d80f30d11f67117ce02c8 https://github.com/orhun/rustypaste/issues/622 https://www.vulncheck.com/advisories/rustypaste-before-0.18.1-path-traversal-via-filename-header

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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