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Back to active CVEs
Medium · CVSS 4.4CVE-2026-104040

Sssd: sssd: information disclosure via odata injection in entra id lookupsCVE-2026-104040

Answer in brief

CVE-2026-104040 records a Medium severity (CVSS 4.4) vulnerability in Sssd: sssd: information disclosure via odata injection in entra id lookups. The current sources do not mark it as known exploited. The current feed maps Red Hat/openshift/ose-rhel-coreos-8 (generic), Red Hat/openshift/ose-rhel-coreos-9 (generic), Red Hat/sssd (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 6, 2026Updated Oct 6, 2026Source checked Oct 6, 2026First seen by HOL Oct 6, 2026Material review Oct 6, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.4
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/openshift/ose-rhel-coreos-8 (generic), Red Hat/openshift/ose-rhel-coreos-9 (generic), Red Hat/sssd (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/openshift/ose-rhel-coreos-8generic*Not reported
Red Hat/openshift/ose-rhel-coreos-9generic*Not reported
Red Hat/sssdgeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/openshift/ose-rhel-coreos-8, Red Hat/openshift/ose-rhel-coreos-9, Red Hat/sssd.
  2. 2Review the reported fix. Source-reported workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Evidence timeline and material changes

  1. Published upstream

    Oct 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 6, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

A flaw was found in SSSD. When configured with the Entra ID identity provider, input lookup names containing single quotes are not properly escaped before being included in Microsoft Graph Open Data Protocol (OData) queries. A low-privileged local user can exploit this flaw by submitting a crafted search request, altering query filters to broaden user or group searches. This can lead to information disclosure by retrieving unintended directory objects, as well as a Denial of Service (DoS) through excessive processing and cache population.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Sssd: sssd: denial of service via memory exhaustion in autofs responderSame red hat/openshift/ose-rhel-coreos-8 package
  • Sssd: sssd: denial of service via unprivileged autofs cache invalidationSame red hat/openshift/ose-rhel-coreos-8 package
  • Sssd: sssd: access control bypass via improper ldap shadow expiration checkSame red hat/openshift/ose-rhel-coreos-8 package
  • Sssd: sssd: denial of service via use-after-free in kcm ticket renewalSame red hat/openshift/ose-rhel-coreos-8 package
  • Sssd: sssd: denial of service via memory exhaustion in kcm responderSame red hat/openshift/ose-rhel-coreos-8 package
  • Sssd: sssd: denial of service via out-of-bounds write in nfs idmap pluginSame red hat/openshift/ose-rhel-coreos-8 package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-140
Source
CVE List V5
Source checked
Oct 6, 2026
References
2 linked sources
Open source record