PYSEC-2026-1228

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Import Source

https://github.com/pypa/advisory-database/blob/main/vulns/calibreweb/PYSEC-2026-1228.yaml

JSON Data

https://api.osv.dev/v1/vulns/PYSEC-2026-1228

Aliases

Published

2026-07-07T16:02:58.600303Z

Modified

2026-07-07T17:47:33.602867981Z

Severity

8.7 (High) CVSS_V4 - 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 CVSS Calculator

Summary

Calibre Web and Autocaliweb have a ReDoS vulnerability

Details

ReDoS in stripwhitespaces() function in cps/stringhelper.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.

References

Affected packages

PyPI / calibreweb

Package

Name: calibreweb; View open source insights on deps.dev
Purl: pkg:pypi/calibreweb

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Last affected

0.6.24

Affected versions

0.*

0.6.12

0.6.13

0.6.14

0.6.15

0.6.16

0.6.17

0.6.18

0.6.19

0.6.20

0.6.21

0.6.22

0.6.23

0.6.24

Database specific

source

"https://github.com/pypa/advisory-database/blob/main/vulns/calibreweb/PYSEC-2026-1228.yaml"