# CVE-2023-6927: keycloak-core: open redirect via "form_post.jwt" JARM response mode

Source: https://junglewise.ai/threats/cve-2023-6927-keycloak-core-open-redirect-via-form-post-jwt-jarm-response-mode  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-01-23  
License: CC BY 4.0 with a link back

CVE-2023-6927 · Severity: low · CVSS 3.1 · Published 2024-01-23

keycloak-core: open redirect via "form_post.jwt" JARM response mode

Technologies: [org.keycloak:keycloak-core (Maven)](https://junglewise.ai/threats/technologies/org-keycloak-keycloak-core). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2023-6927 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-6927 being exploited in the wild.

**How severe is CVE-2023-6927?** Low severity, with a CVSS score of 3.1, published 23 January 2024.

**Which products and versions are affected?** org.keycloak:keycloak-core (Maven) ECOSYSTEM:introduced=0,fixed=23.0.4.

**Is there a fix for CVE-2023-6927?** Yes. org.keycloak:keycloak-core (Maven): upgrade to 23.0.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-6927?** Check whether you run org.keycloak:keycloak-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.keycloak:keycloak-core (Maven): upgrade to 23.0.4 or later

  ```sh
  # set org.keycloak:keycloak-core to 23.0.4 in your pom.xml or build.gradle
  ```


## Affected products

- org.keycloak:keycloak-core (Maven) ECOSYSTEM:introduced=0,fixed=23.0.4

## Identifiers

- CVE-2023-6927
- GHSA-9vm7-v8wj-3fqw

## Related threats

- [Keycloak allows cross-site scripting (XSS)](https://junglewise.ai/threats/cve-2024-4028-keycloak-allows-cross-site-scripting-xss)
- [Keycloak mTLS Authentication Bypass via Reverse Proxy TLS Termination](https://junglewise.ai/threats/cve-2024-10039-keycloak-mtls-authentication-bypass-via-reverse-proxy-tls)
- [Keycloaks's One Time Passcode (OTP) is valid longer than expiration timeSeverity](https://junglewise.ai/threats/cve-2024-7318-keycloaks-s-one-time-passcode-otp-is-valid-longer-than-expiration)
- [Keycloak Denial of Service vulnerability](https://junglewise.ai/threats/cve-2023-6841-keycloak-denial-of-service-vulnerability)
- [Keycloak Open Redirect vulnerability](https://junglewise.ai/threats/cve-2024-7260-keycloak-open-redirect-vulnerability)