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Status published
High
CVE-2025-6998
Calibre Web 0.6.24 & Autocaliweb 0.7.0 - ReDoS
Vulnerability Description
ReDoS in strip_whitespaces() function in cps/string_helper.py in Calibre Web and Autocaliweb allows unauthenticated remote attackers to cause denial of service via specially crafted username parameter that triggers catastrophic backtracking during login. This issue affects Calibre Web: 0.6.24 (Nicolette); Autocaliweb: from 0.7.0 before 0.7.1.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from Calibre Web
View All →Affected Vendor
Calibre Web
View all reports →Affected Software
Calibre Web, Autocaliweb
Vulnerable Versions:
0.6.24, 0.7.0
Timeline
Official Publish:
July 24th, 2025
Last Modified:
July 25th, 2025
Added to House:
July 22nd, 2026