CVE-2025-13881: keycloak-26.4 Incorrect Privilege Assignment
CVSS: 2.7v3.1LowDeferred
AliasesCGA-2px6-pq3c-96cfCGA-889c-h4pc-qpjfCGA-q4vf-jq53-965wCGA-qqpf-hjw7-x277CGA-2qhm-hjjj-4jcxCGA-4cv4-7fjm-hqr3CGA-4g8j-xfx6-x2mjCGA-525q-qc5v-9rjqCGA-5gff-rhgm-fx28CGA-6vf8-phhg-wxq2CGA-7h46-8283-4r9jCGA-gv2g-vxvf-fv5vCGA-p7v7-jw4w-v4m4GHSA-g78x-7vwx-9f58CGA-vxh5-mxw3-749rCGA-w3xh-mqv4-3gggCGA-w6p5-639f-3gcg
Published 02-02-2026Last modified 10-02-2026
Vulnerability summary
CVE-2025-13881 is a low (CVSS 2.7) Incorrect Privilege Assignment vulnerability in keycloak-26.4. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.2% of scored vulnerabilities.
CVSS score
2.7/10
010
Low · v3.1 (CVE.org)EPSS score
0.41%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 02-02-2026PublishedVulnerability first disclosed.
- 10-02-2026Last modifiedVulnerability information updated.
Description
A flaw was found in Keycloak Admin API. This vulnerability allows an administrator with limited privileges to retrieve sensitive custom attributes via the /unmanagedAttributes endpoint, bypassing User Profile visibility settings.
CVSS metrics
5 scores · 5 sources · 1 versionLow 2.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:NSourcesAll 5 agree
- OSV · WolfiEcosystem advisory · calculated2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- OSV · MavenEcosystem advisory · calculated2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- NVDNIST2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
+0.04 pp
From 0.38% on 19-09-2026
19-09-202619-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard8 products
- keycloak-26.3-iamguarded-compatAll versions (No fix recorded)
- keycloak-26.4All versions (No fix recorded)
- keycloak-26.4-iamguarded-compatAll versions (No fix recorded)
- keycloak-fips-26.3-iamguarded-fipsAll versions (No fix recorded)
- keycloak-fips-26.4All versions (No fix recorded)
Wolfi2 products
- keycloak-26.4All versions (No fix recorded)
- keycloak-26.4-iamguarded-compatAll versions (No fix recorded)
Org.keycloak1 product
- keycloak-services≥ 26.5.0, < 26.5.2 | < 26.4.9
3 vendors · 11 products
References
10 links- github.com/keycloak/keycloakPACKAGE