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GHSA-wmxr-6j5f-838p
Vulnerability in org.keycloak:keycloak-saml-adapter-core (GHSA-wmxr-6j5f-838p)
Summary
vulnerability in org.keycloak:keycloak-saml-adapter-core (GHSA-wmxr-6j5f-838p). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `26.5.5` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **GHSA-wmxr-6j5f-838p** has been found in org.keycloak:keycloak-saml-adapter-core.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade org.keycloak:keycloak-saml-adapter-core to **26.5.5** or later.
If unsure, ask your IT team or search "org.keycloak:keycloak-saml-adapter-core GHSA-wmxr-6j5f-838p" on the vendor's site.
GHSA-wmxr-6j5f-838p (org.keycloak:keycloak-saml-adapter-core) — CWE-1287 /
Patched: `26.5.5` — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-1287) exists in org.keycloak:keycloak-saml-adapter-core.
📍 Affected scope
org.keycloak:keycloak-saml-adapter-core — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **26.5.5**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'org.keycloak:keycloak-saml-adapter-core' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'org.keycloak:keycloak-saml-adapter-core' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `org.keycloak:keycloak-saml-adapter-core` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade org.keycloak:keycloak-saml-adapter-core to 26.5.5ステージング環境で 26.5.5 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
maven
org.keycloak:keycloak-saml-adapter-core
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.5.5"}]}]
maven
org.keycloak:keycloak-saml-core
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.5.5"}]}]
maven
org.keycloak:keycloak-services
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.4.10"}]}]
References
- web https://nvd.nist.gov/vuln/detail/CVE-2026-2092
- web https://access.redhat.com/errata/RHSA-2026:3925
- web https://access.redhat.com/errata/RHSA-2026:3926
- web https://access.redhat.com/errata/RHSA-2026:3947
- web https://access.redhat.com/errata/RHSA-2026:3948
- web https://access.redhat.com/security/cve/CVE-2026-2092
- web https://bugzilla.redhat.com/show_bug.cgi?id=2437296
- web https://github.com/keycloak/keycloak/commit/b40a25908d937bb0563ea516487bc2c7c1d92508
- web https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2092.json
- web https://github.com/advisories/GHSA-wmxr-6j5f-838p