DEBIAN-CVE-2026-55167

Source
https://security-tracker.debian.org/tracker/CVE-2026-55167
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55167.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-55167
Upstream
Published
2026-10-14T19:17:17Z
Modified
2026-10-15T12:00:08Z
Severity
  • 4.2 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

LDAP Account Manager (LAM) is a webfrontend for managing entries (e.g. users, groups, DHCP settings) stored in an LDAP directory. Prior to 9.6, installations with WebAuthn two-factor authentication leave the challenge in the same PHP session after the authentication response is processed. A user who has already completed valid password authentication can therefore retain the same signed WebAuthn ceremony state instead of consuming it once. The practical risk is limited by the requirement for a valid password, the same PHP session, and a valid authenticator signature. This issue is fixed in version 9.6.

References

Affected packages

Debian:12 / ldap-account-manager

Package

Name
ldap-account-manager
Purl
pkg:deb/debian/ldap-account-manager?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

8.*
8.3-1
8.5-1
8.6-1
8.7-1
9.*
9.0-1
9.5.1-1
9.6-1
9.7-1

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55167.json"

Debian:13 / ldap-account-manager

Package

Name
ldap-account-manager
Purl
pkg:deb/debian/ldap-account-manager?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

9.*
9.0-1
9.5.1-1
9.6-1
9.7-1

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55167.json"

Debian:14 / ldap-account-manager

Package

Name
ldap-account-manager
Purl
pkg:deb/debian/ldap-account-manager?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.6-1

Affected versions

9.*
9.0-1
9.5.1-1

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55167.json"