Description
Plugin/passwordauth.pm (aka the passwordauth plugin) in ikiwiki 1.34 through 2.47 allows remote attackers to bypass authentication, and login to any account for which an OpenID identity is configured and a password is not configured, by specifying an empty password during the login sequence.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ikiwiki | 2.48 | — |
| Debian 13 | ikiwiki | 2.48 | — |
| Debian 12 | ikiwiki | 2.48 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ikiwiki | 3.20200202.3-2.7 | openSUSE-SU-2024:10860-1 |
Advisories 1
- openSUSE-SU-2024:10860-1 ikiwiki-3.20200202.3-2.7 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 30468 third-party-advisory
- ADV-2008-1710 vdb-entry
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=483770
- [oss-security] 20080531 Re: CVE id request: ikiwiki mailing-list
- ikiwiki-openid-passwordauth-auth-bypass(42798) vdb-entry
- http://ikiwiki.info/news/version_2.48/index.html
- 29479 vdb-entry
- http://ikiwiki.info/security/#index33h2