CVEvulnerability
CVE-2026-25635
8.6 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-22
Description
calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows (haven't tested on other OS's), this can lead to Remote Code Execution by writing a payload to the Startup folder, which executes on next login. This vulnerability is fixed in 9.2.0.
Affected configurations
• calibre-ebook calibre (< 9.2.0)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://github.com/kovidgoyal/calibre/commit/9739232fcb029ac15dfe52ccd4fdb4a07ebb6ce9 Patch
- https://github.com/kovidgoyal/calibre/security/advisories/GHSA-32vh-whvh-9fxr Exploit, Third Party Advisory
- https://0x5t.raptx.org/posts/calibre-chm-rce Exploit, Third Party Advisory