HIGHVulnerability
CVE-2026-90774
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.
Properties
- severity
- HIGH
- score
- 7.5
- cve_id
- CVE-2026-90774
- signal_observed_at
- 2026-09-23T22:45:07+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- published_at
- 2026-09-13T11:17:02.163
- last_modified
- 2026-09-23T17:17:47.507
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
DESCRIBED_BY (1)
→[Source]NVD
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