Answer in brief
CVE-2023-6927 records a Medium severity (CVSS 4.6) vulnerability in Keycloak: open redirect via "form_post.jwt" jarm response mode. The current sources do not mark it as known exploited. Affected software not mapped in the current feed; confirm the named product and version against your inventory.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
Affected software not mapped in the current feed; confirm the named product and version against your inventory.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:* | Not reported | Not reported |
Published upstream
Dec 18, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 22, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 22, 2026
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.
Quoted source text, attributed separately from HOL analysis.