What’s Vulnerable › Vulnerabilities

CVE-2022-2525: Improper Restriction of Excessive Authentication Attempts in janeczku/calibre-web

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-15 · updated 2026-06-17
• Weakness: CWE-307

Description

Improper Restriction of Excessive Authentication Attempts in GitHub repository janeczku/calibre-web prior to 0.6.20.

Affected products

• janeczku/calibre-web: before 0.6.20 — fixed in 0.6.20

How to fix

Upgrade to a fixed version: janeczku/calibre-web 0.6.20. Check the vendor advisory for mitigations.

References

• https://github.com/janeczku/calibre-web/commit/49e4f540c9b204c7e39b3c27ceadecd83ed60e7e
• https://huntr.dev/bounties/9ff87820-c14c-4454-9764-406496254ef0
• https://github.com/janeczku/calibre-web/commit/49e4f540c9b204c7e39b3c27ceadecd83ed60e7e
• https://huntr.dev/bounties/9ff87820-c14c-4454-9764-406496254ef0

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