CVE-2026-23795 json
Apache Syncope: Console XXE on Keymaster parameters
published 9mo ago modified 4mo ago also GHSA-73f3-rqqf-2j54 , EUVD-2026-5267
- cvss
- 4.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console. An administrator with adequate entitlements to create or edit Keymaster parameters via Console can construct malicious XML text to launch an XXE attack, thereby causing sensitive data leakage occurs.
This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3.
Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.
Patch / fix
- maven org.apache.syncope.client.idrepo:syncope-client-idrepo-console 3.0.16, 4.0.4
- apache syncope 3.0.16, 4.0.4
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 9mo ago
Exploit prediction
1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.syncope.client.idrepo:syncope-client-idrepo-console | >=3.0.0, <3.0.16 >=4.0.0, <4.0.4 |
3.0.16 4.0.4 |
Affected products
- Apache Software Foundation Apache Syncope
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
lists.apache.org
/thread/mzgbdn8hzk8vr94o660njcc7w62c2pos
vendor-advisory, web, mailing-list, third-party-advisory
-
openwall.com
/lists/oss-security/2026/02/02/2
web, mailing-list, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-23795
advisory
-
github.com
/apache/syncope
package
Sources
- CVE List CVE-2026-23795
- GitHub Advisory GHSA-73f3-rqqf-2j54
- NVD CVE-2026-23795
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