CVE-2026-77181

9.8 criticalEPSS 0.5%

Incorrect Authorization vulnerability in Apache Syncope. An administrator with ClientApp's update entitlement is unable to perform the related operation, while ClientApp's create entitlement is checked both for create and update operations on ClientApp. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2026-09-14
Modified: 2026-09-14
Record from: the NVD, synced 2026-10-19

References

https://lists.apache.org/thread/swqj31jhbz7hmmkjy42461zp9rhh9lwy
http://www.openwall.com/lists/oss-security/2026/09/14/16

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