CVE Explorer

CVE-2026-9793

A flaw was found in Keycloak. When a JSON Web Encryption (JWE) encrypted request object is submitted, Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the configured signature policy. This allows a remote attacker to submit unauthorized claims, leading to a compromise of data integrity within the OpenID Connect (OIDC) authorization flow. While a redirect URI allowlist acts as a compensating control, this vulnerability violates OIDC Core and Financi

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3aab7823a4dd59052d030ae020a89b828212d6914f7a09d18aba2155425e9612

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

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

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:f0b3333cbf925dba27ceec0aaab297925a92d588cf3b0d4dbeb72e97ef5c92bc · sha256:9a36c4c86415ee96… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:f0b3333cbf925dba27ceec0aaab297925a92d588cf3b0d4dbeb72e97ef5c92bc · sha256:9a36c4c86415ee96… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-347","description":"Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:f0b3333cbf925dba27ceec0aaab297925a92d588cf3b0d4dbeb72e97ef5c92bc · sha256:9a36c4c86415ee96… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-9793"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f0b3333cbf925dba27ceec0aaab297925a92d588cf3b0d4dbeb72e97ef5c92bc · sha256:9a36c4c86415ee96… · /containers/cna/references/0

{"name":"RHBZ#2482460","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482460"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f0b3333cbf925dba27ceec0aaab297925a92d588cf3b0d4dbeb72e97ef5c92bc · sha256:9a36c4c86415ee96… · /containers/cna/references/1

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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