CVE-2026-1529

HIGH

CVSS v3.1: 8.1 · EPSS: 0.0044 (35.4 percentile)

NetworkNo user interaction

Source data as of:

At a glance

Severity
HIGH
CVSS
8.1 v3.1 · NVD
EPSS
0.0044 (35.4 percentile) · FIRST.org
CISA KEV
No
Attack conditions (CVSS vector)
NetworkNo user interaction · Source: NVD Vector
Published
2026-02-09 · Modified: 2026-06-30
References
Jump to references (6)

CVSS / EPSS / KEV

CVSS v3.1 8.1 / 10 HIGH Source: NVD
EPSS 0.0044 35.4 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an unauthorized organization, leading to unauthorized access.

Record details

CVE ID
CVE-2026-1529
CVSS (v3.1)
8.1 (HIGH)
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Exploitability subscore
2.8
Impact subscore
5.2
EPSS
0.0044 (35.4 percentile) — 2026-06-30
CISA KEV
No
Weakness (CWE)
CWE-347
Affected configurations (CPE)
0
Published
2026-02-09
Modified
2026-06-30
Status
Deferred

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2026-48558 CRITICAL CVSS 10.0 KEV CVE-2026-28802 CRITICAL CVSS 9.8 CVE-2026-27962 CRITICAL CVSS 9.1 CVE-2026-11800 HIGH CVSS 8.1

Published the same year

CVE-2026-0881 CRITICAL CVSS 10.0 CVE-2026-2760 CRITICAL CVSS 10.0 CVE-2026-2761 CRITICAL CVSS 10.0 CVE-2026-2768 CRITICAL CVSS 10.0
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