Calibre Web 0.6.24 & Autocaliweb 0.7.0 – ReDoS_CVE-2025-6998

8.7 / 10

HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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.

Basic Information

ID CVE-2025-6998

Source Fluid Attacks

Published Jul 24, 2025 at 19:39

Modified Jul 25, 2025 at 13:17

Affected Product

Vendor Calibre Web

Product Calibre Web

Version 0.6.24

Affected Versions Calibre Web Calibre Web 0.6.24
Autocaliweb Autocaliweb 0.7.0

CWE Classification

CWE-1333

References

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    "published": "2025-07-24T19:39:17.709Z",
    "modified": "2025-07-25T13:17:33.295Z",
    "type": "cve",
    "title": "Calibre Web 0.6.24 & Autocaliweb 0.7.0 - ReDoS",
    "source": "Fluid Attacks",
    "references": "https://fluidattacks.com/advisories/megadeth\nhttps://github.com/janeczku/calibre-web\nhttps://github.com/gelbphoenix/autocaliweb",
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