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CVE-2026-1035

A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. This allows concurrent refresh requests to bypass single-use enforcement and issue multiple access tokens from the same refresh token. As a result, Keycloak’s refresh token rotation hardening can be undermi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:30e563548f8f9304e2f0ba1e4b7433ed1a6edf3c18db6c4d03fe71403fc25184
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 7 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:red_hat_single_sign_on:7"],"defaultStatus":"unaffected","packageName":"keycloak-services","product":"Red Hat Single Sign-On 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/6

{"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":"26.4-14","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /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":"26.4-14","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/1

{"collectionURL":"https://access.redhat.com/jbossnetwork/restricted/listSoftware.html","cpes":["cpe:/a:redhat:jbosseapxp"],"defaultStatus":"unaffected","packageName":"keycloak-services","product":"Red Hat JBoss Enterprise Application Platform Expansion Pack","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/5

{"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 26.4.11","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /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-operator-bundle","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4.11-1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/jbossnetwork/restricted/listSoftware.html","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform:8"],"defaultStatus":"unaffected","packageName":"keycloak-services","product":"Red Hat JBoss Enterprise Application Platform 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/4

Affected products and versions

7 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:red_hat_single_sign_on:7"],"defaultStatus":"unaffected","packageName":"keycloak-services","product":"Red Hat Single Sign-On 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/6
{"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":"26.4-14","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /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":"26.4-14","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/jbossnetwork/restricted/listSoftware.html","cpes":["cpe:/a:redhat:jbosseapxp"],"defaultStatus":"unaffected","packageName":"keycloak-services","product":"Red Hat JBoss Enterprise Application Platform Expansion Pack","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/5
{"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 26.4.11","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /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-operator-bundle","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4.11-1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/jbossnetwork/restricted/listSoftware.html","cpes":["cpe:/a:redhat:jboss_enterprise_application_platform:8"],"defaultStatus":"unaffected","packageName":"keycloak-services","product":"Red Hat JBoss Enterprise Application Platform 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/affected/4

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-367","description":"Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"RHSA-2026:6477","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6477"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/references/0
{"name":"RHSA-2026:6478","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6478"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/references/1
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-1035"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/references/2
{"name":"RHBZ#2430314","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2430314"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:50cbfc2342acf60cf5d26c83e71d44da40ace8febc3da668c1c532cce63537d1 · sha256:bd664e62812c6e70… · /containers/cna/references/3

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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