CVE-2024-8883: Keycloak: vulnerable redirect uri validation results in open redirec
Vulnerability summary
CVE-2024-8883 is a medium (CVSS 6.1) URL Redirection to Untrusted Site vulnerability in redhat build_of_keycloak. EPSS estimates a 2.11% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities.
Not severe (CVSS 6.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 1Timeline
- 19-09-2024PublishedVulnerability first disclosed.
- 03-11-2026Last modifiedVulnerability information updated.
Description
A misconfiguration flaw was found in Keycloak. This issue can allow an attacker to redirect users to an arbitrary URL if a 'Valid Redirect URI' is set to http://localhost or http://127.0.0.1, enabling sensitive information such as authorization codes to be exposed to the attacker, potentially leading to session hijacking.
CVSS metrics
6 scores · 6 sources · 1 version- OSV · Red hatEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · WolfiEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · ChainguardEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · MavenEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
2.11%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.11% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat13 products
- build_of_keycloakna
- openshift_container_platform4.11 | 4.12
- openshift_container_platform_for_ibm_z4.9 | 4.10
- openshift_container_platform_for_linuxone4.9 | 4.10
- openshift_container_platform_for_power4.9 | 4.10
Chainguard1 product
- keycloak< 25.0.6-r0
Org.keycloak1 product
- keycloak-services< 22.0.13 | ≥ 23.0.0, < 24.0.8 | ≥ 25.0.0, < 25.0.6
Wolfi1 product
- keycloak< 25.0.6-r0
4 vendors · 16 products
References
30 linksShow all 30 references
- access.redhat.com/security/cve/CVE-2024-8883VDB EntryX Refsource REDHATREPORTAdvisoryWEBVendor Advisory
- github.com/keycloak/keycloakPACKAGE