CVE-2026-73370

9.8 criticalEPSS 0.5%

Critical (9.8). EPSS 0.5% chance of exploitation in the next 30 days.

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.

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/prv0k3mvorzhngdw405sgb87ckw105gz
http://www.openwall.com/lists/oss-security/2026/09/14/8

Check your stack JSON