What is GHSA-2g7m-ph9x-7q7m?

GHSA-2g7m-ph9x-7q7m is a security advisory published by GitHub Security Advisories with High severity. Calibre Web and Autocaliweb have a ReDoS vulnerability

Which CVE IDs does GHSA-2g7m-ph9x-7q7m cover?

GHSA-2g7m-ph9x-7q7m covers the following CVE IDs: CVE-2025-6998. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by GHSA-2g7m-ph9x-7q7m?

GHSA-2g7m-ph9x-7q7m affects 1 product, including: pip/calibreweb:\u003c= 0.6.24.

GHSA-2g7m-ph9x-7q7mHigh

Calibre Web and Autocaliweb have a ReDoS vulnerability

Vendor

GitHub Security Advisories

Published

July 24, 2025

Last Modified

July 28, 2025

🔗 CVE IDs covered (1)

CVE-2025-6998 →

📋 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.

🎯 Affected products1

pip/calibreweb:<= 0.6.24

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2025-6998
https://fluidattacks.com/advisories/megadeth
https://github.com/gelbphoenix/autocaliweb
https://github.com/janeczku/calibre-web
https://github.com/advisories/GHSA-2g7m-ph9x-7q7m