CVE-2026-44711 json
pam_usb: Symlink attacks on pad directory and pad files enable authentication bypass and root file corruption
published 2026-05-27 5 mo ago modified 2026-10-26 14 d ago also EUVD-2026-32659
- cvss
- 7.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.8.7, symlink attacks on pad directory and pad files enable authentication bypass and root file corruption. This vulnerability is fixed in 0.8.7.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/uniget-org/cli/security/advisories/GHSA-qqq4-5773-pmw5 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.9 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H |
Affected products
- mcdope pam_usb
Classification
References
Sources
- CVE List CVE-2026-44711
- NVD CVE-2026-44711
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.