Improper Authorization in janeczku/calibre-web

published 2022-04-03 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15551

cvss: 4.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

Improper Authorization in GitHub repository janeczku/calibre-web prior to 0.6.16.

Patch / fix

fixed in 1 links 2

janeczku janeczku/calibre-web 0.6.16

github.com/janeczku/calibre-web@e0e0422 commit
huntr.dev/bounties/d7498799-4797-4751-b5e2-b669e729d5db advisory

Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/d7498799-4797-4751-b5e2-b669e729d5db referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

janeczku janeczku/calibre-web

Classification

Weakness

CWE-285 Improper Authorization
CWE-863 Incorrect Authorization

References

github.com /janeczku/calibre-web/commit/e0e04220109920575179a8f924543449c6de0706
patch, third-party-advisory
huntr.dev /bounties/d7498799-4797-4751-b5e2-b669e729d5db
exploit, issue-tracking, patch, third-party-advisory

Sources

CVE List CVE-2022-0406
NVD CVE-2022-0406

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary