CVE-2023-6927 (GCVE-0-2023-6927)
Vulnerability from cvelistv5 – Published: 2023-12-18 22:59 – Updated: 2025-11-11 15:55
VLAI?
Title
Keycloak: open redirect via "form_post.jwt" jarm response mode
Summary
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.
Severity ?
4.6 (Medium)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 22 |
Unaffected:
22-7 , < *
(rpm)
cpe:/a:redhat:build_keycloak:22::el9 |
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|
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Credits
Red Hat would like to thank Pontus Hanssen (Pontus.Hanssen@omegapoint.se) for reporting this issue.
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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