What is CVE-2022-0766?

CVE-2022-0766 is a critical-severity vulnerability in Janeczku Calibre-Web, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-03-07.

How severe is CVE-2022-0766?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SSRF in Janeczku Calibre-Web

CVE-2022-0766

Server-Side Request Forgery (SSRF) in GitHub repository janeczku/calibre-web prior to 0.6.17.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2022-03-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Janeczku Calibre-Web
Janeczku Janeczku/calibre-Web — versions unspecified

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/janeczku/calibre-web/commit/965352c8d96c9eae7a6867ff76b0db137d04b0b8 (Patch, Third Party Advisory)
huntr.dev/bounties/7f2a5bb4-e6c7-4b6a-b8eb-face9e3add7b (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-0766?: CVE-2022-0766 is a critical-severity vulnerability in Janeczku Calibre-Web, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-03-07.
How severe is CVE-2022-0766?: Critical severity. CVSS v3 base score is 9.8 out of 10.