Medium severity4.9OSV Advisory· Published Feb 3, 2026· Updated Jun 17, 2026
CVE-2026-23795
CVE-2026-23795
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.syncope.client.idrepo:syncope-client-idrepo-consoleMaven | >= 3.0.0, < 3.0.16 | 3.0.16 |
org.apache.syncope.client.idrepo:syncope-client-idrepo-consoleMaven | >= 4.0.0, < 4.0.4 | 4.0.4 |
Affected products
3- ghsa-coordsRange: >= 3.0.0, < 3.0.16
Patches
Vulnerability mechanics
References
4- www.openwall.com/lists/oss-security/2026/02/02/2nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-73f3-rqqf-2j54ghsaADVISORY
- lists.apache.org/thread/mzgbdn8hzk8vr94o660njcc7w62c2posnvdMailing ListThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-23795ghsaADVISORY
News mentions
2- ⚡ Weekly Recap: Rogue AI Agents, Check Point Exploit, Slopsquatting, ClickFix Lures and MoreThe Hacker News · Jul 27, 2026
- Apache Syncope Release Patches for Multiple RCE and SQL Injection VulnerabilitiesCyber Security News · Jul 24, 2026