CVE-2026-77293

HIGH 7.1

TREK: Cross-user note-file deletion (IDOR / Broken Access Control)

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

TREK is a collaborative travel planner. Prior to 3.3.0, the DELETE /api/trips/:tripId/collab/notes/:noteId/files/:fileId endpoint authorizes an authenticated user against the attacker-controlled tripId but deleteNoteFile in server/src/services/collabService.ts resolves the target only by note and file identifiers without requiring the file to belong to that trip. A user with edit access to any trip can submit identifiers belonging to another user's trip and permanently delete that note-file attachment. Sequential identifiers make broad targeting practical, while attachment read operations remain trip-scoped and are not affected. This issue is fixed in version 3.3.0.

CWE	CWE-639 CWE-862
Vendor	mauriceboe
Product	trek
Published	Sep 24, 2026
Last Updated	Sep 24, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

Low

Affected Versions

mauriceboe / TREK

< 3.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/liketrek/TREK/security/advisories/GHSA-cjc5-722j-vvmf github.com: https://github.com/liketrek/TREK/pull/1520 github.com: https://github.com/liketrek/TREK/commit/19064b39176660f3be3a2df198c87949504046e2 github.com: https://github.com/liketrek/TREK/releases/tag/v3.3.0