Critical [CVE-2026-73579] Incorrect Authorization vulnerability in Apache Syncope
This critical-severity Apache Software Foundation advisory covers CVE-2026-73579 affecting Apache Syncope.
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Summary
Incorrect Authorization vulnerability in Apache Syncope.
Any search requests are transformed into SQL, Neo4J or Elasticsearch / Opensearch queries, depending on the actual deployment configuration. An important component of such transformation is the Realms filter, which ensures that the search results are matching the requester's permissions.
For non-recursive search requests it is possible that such Realms filter is rendered as empty, thus voiding any restriction on requester privileges.
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.
- 3.0.0-M0 through 3.0.16
- 4.0.0-M0 through 4.0.7
- 4.1.0-M0 through 4.1.2.
- through 4.1.2
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 4.0.8
- 4.1.3
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
More Apache Software Foundation advisories
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- CVE-2026-113687Nov 2, 2026Improper isolation or compartmentalization vulnerability in Apache Syncope
- CVE-2026-113511Nov 2, 2026Authorization bypass through User-Controlled key vulnerability in Apache Syncope
- CVE-2026-110535Nov 2, 2026Apache Syncope privilege escalation
- CVE-2026-109083Nov 2, 2026Improper isolation or compartmentalization vulnerability in Apache Syncope
- CVE-2026-73191Sep 14, 2026URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Apache Syncope
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