CVE-2026-73370CWE-863broken-access-control

CVE-2026-73370

Critical · published September 14, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
42.8
In the wild
Unconfirmed
What it is

Incorrect Authorization vulnerability in Apache Syncope.

Delegated administration security checks performed by Reconciliation service's pull and push, being incomplete, could accept calls by administrator not provided with adequate entitlements.

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00512 · 42.8th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-14T18:17Z
References (2)
https://lists.apache.org/thread/prv0k3mvorzhngdw405sgb87ckw105gz · [email protected]http://www.openwall.com/lists/oss-security/2026/09/14/8 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 14 SEP 13:07Z
    Apache Syncope: Cross-Realm boundaries reconciliation bypass
    cvelistv5