DEBIAN-CVE-2026-44394

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Source
https://security-tracker.debian.org/tracker/CVE-2026-44394
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44394.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2026-44394
Upstream
Published
2026-05-28T19:16:38Z
Modified
2026-09-01T16:06:44Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in OpenStack Keystone before 29.0.2. The Keystone federated token rescoping mechanism does not propagate the original token's expiry to the newly issued token. When a federated user rescopes a token via POST /v3/auth/tokens, the handle_scoped_token() function in the mapped authentication plugin returns response data without an expires_at value. The token provider falls back to issuing a token with a fresh default TTL. By rescoping repeatedly before each token expires, a user can maintain access indefinitely, bypassing operator-configured token lifetime policies. This is a variant of CVE-2012-3426. Only deployments using federated identity (SAML2, OpenID Connect) are affected.

References

Affected packages

Debian:12 / keystone

Package

Name
keystone
Purl
pkg:deb/debian/keystone?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:22.0.2-0+deb12u3

Affected versions

2:22.*
2:22.0.0-2
2:22.0.2-0+deb12u1
2:22.0.2-0+deb12u2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44394.json"

Debian:13 / keystone

Package

Name
keystone
Purl
pkg:deb/debian/keystone?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:27.0.0-3+deb13u4

Affected versions

2:27.*
2:27.0.0-3
2:27.0.0-3+deb13u1
2:27.0.0-3+deb13u3

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44394.json"

Debian:14 / keystone

Package

Name
keystone
Purl
pkg:deb/debian/keystone?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:29.0.1-2

Affected versions

2:27.*
2:27.0.0-3
2:28.*
2:28.0.0~rc1-1
2:28.0.0~rc1-2
2:28.0.0~rc1-4
2:28.0.0-1
2:28.0.0-2
2:28.0.0-3
2:28.0.0-4
2:28.0.0-5
2:28.0.0-6
2:29.*
2:29.0.0~rc1-1
2:29.0.0~rc1-2
2:29.0.0-1
2:29.0.0-2
2:29.0.0-3
2:29.0.1-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44394.json"