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CVE-2026-7571

A flaw was found in Keycloak. A low-privilege user, with knowledge of user credentials and client ID, can bypass a security control intended to disable the implicit flow in OpenID Connect (OIDC) clients. By manipulating client data during a session restart, an attacker can obtain an access token that should not be available. This vulnerability can also lead to the exposure of these access tokens in server logs, proxy logs, and HTTP Referrer headers, resulting in sensitive information disclosure.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b454c25960c694c98d3964a4f4c2e212fd2b97558358ec0e0dbc4b4eeb20ca1e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 4 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":"26.4.12-1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /containers/cna/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-operator","product":"Red Hat build of Keycloak 26.4.12","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /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":"26.4-17","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /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":"26.4-17","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /containers/cna/affected/1

Affected products and versions

4 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":"26.4.12-1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /containers/cna/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-operator","product":"Red Hat build of Keycloak 26.4.12","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /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":"26.4-17","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /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":"26.4-17","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-472","description":"External Control of Assumed-Immutable Web Parameter","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"RHSA-2026:19596","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:19596"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /containers/cna/references/0
{"name":"RHSA-2026:19597","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:19597"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /containers/cna/references/1
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-7571"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /containers/cna/references/2
{"name":"RHBZ#2464263","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2464263"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5bcb1d99f6364de12d84f798450d10916734c438c08e8fe59327079e65f82c80 · sha256:b60e42fe70e7b55b… · /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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