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VulnerabilityPublished

CVE-2026-73236: Apache Syncope · Incorrect Authorization

Affects Apache SyncopeSource CVE Database V5

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Not known to be exploited · CVSS 7.5 High · fixed in 4.0.8 : patch Apache Syncope soon.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 29% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.0.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Apache Software FoundationApache SyncopeAffected
  • >=3.0.0-M0 <=3.0.16
  • >=4.0.0-M0 <=4.0.7
  • >=4.1.0-M0 <=4.1.2
Fixed in–
Mavenorg.apache.syncope/syncope-corepkg:maven/org.apache.syncope/syncope-coreOther threatsAffected
  • >=3.0.0-M0 <=3.0.16
  • >=4.0.0-M0 <=4.0.7
  • >=4.1.0-M0 <=4.1.2
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should upgrade Apache Syncope to version 4.0.8 or 4.1.3, where this authorization issue is fixed. No other mitigation is indicated by the vendor advisory.

Description

Incorrect Authorization vulnerability in Apache Syncope. Delegated administration security checks are based on Realm hierarchy and enforced via prefix matches. Due to incorrect implementation, two sibling Realms whose names begin with the same string cannot be correctly distinguished, resulting in incorrect authorization. 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.

References

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