CVE-2026-90462

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Source

https://cve.org/CVERecord?id=CVE-2026-90462

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90462.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-90462

Downstream

Published

2026-09-22T15:50:00Z

Modified

2026-10-09T02:49:30Z

Severity

5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS Calculator

Summary

Sssd: sssd: fail-open in ldap ppolicy access check allows continued authorization

Details

A flaw was found in SSSD. When configured with the LDAP access provider and ldap_access_order including ppolicy or lockout, a fail-open condition in the LDAP ppolicy access check can occur if a user lookup returns zero results. This can incorrectly return success and cache an allow decision, permitting continued authorization for a deleted or deprovisioned user. A remote attacker with prior valid account context could exploit this to maintain access to information and potentially make limited modifications to resources that should no longer be available.

Database specific

{
    "cna_assigner":  "redhat",
    "cwe_ids":  [
        "CWE-280"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90462.json"
}

References

Affected packages

Git / github.com/sssd/sssd

Affected ranges

Type

GIT

Repo

https://github.com/sssd/sssd

Events

Introduced

1a1cf163b78ff4768cc8bfc1e631171bc021e2fe

Last Affected

1a1cf163b78ff4768cc8bfc1e631171bc021e2fe

Database specific

Show details

{
    "cpe":  "cpe:2.3:a:fedoraproject:sssd:2.12.0:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "2.12.0"
        },
        {
            "last_affected":  "2.12.0"
        }
    ],
    "source":  "CPE_STRING"
}

Affected versions

2.*

2.12.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90462.json"