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CVE-2026-1486

A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider (IdP) is enabled before issuing tokens. The issuer lookup mechanism (lookupIdentityProviderFromIssuer) retrieves the IdP configuration but does not filter for isEnabled=false. If an administrator disables an IdP (e.g., due to a compromise or offboarding), an entity possessing that IdP's signing key can still generate valid JWT assertions that Keycloak
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6c36c4da760769e7c260639cedeefc7fd27dcfc7abffd3e61e33eec3f118fc18
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 8 assertions

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4.9-1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/affected/0

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4.9-1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"unaffected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4.9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"unaffected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4.9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/affected/3

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-10","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/affected/2

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-11","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/affected/1

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-10","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/affected/2

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-11","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/affected/1

Affected products and versions

8 source assertions
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4.9-1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/affected/0
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4.9-1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"unaffected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4.9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"unaffected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4.9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/affected/3
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-10","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/affected/2
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-11","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/affected/1
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-10","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/affected/2
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-11","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/affected/1

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-358","description":"Improperly Implemented Security Check for Standard","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/problemTypes/0/descriptions/0
{"cweId":"CWE-358","description":"Improperly Implemented Security Check for Standard","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/problemTypes/0/descriptions/0

Source references

9 source assertions
{"name":"RHSA-2026:2365","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2365"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/references/0
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2365"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/references/4
{"name":"RHSA-2026:2366","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2366"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/references/1
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2366"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/references/3
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-1486"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/references/2
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-1486"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/references/0
{"name":"RHBZ#2433347","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433347"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/references/1
{"name":"RHBZ#2433347","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433347"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/cna/references/3
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1486.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ded62c803b0033f8e73a9e4bf75c5737c2c98a2ac646c87bd006e08d6a8e52a · sha256:1038771c480f6a19… · /containers/adp/1/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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