4.9

CVE-2026-23795: apache software foundation apache syncope

CVSS: 4.9v3.1MediumAnalyzed
AliasesGHSA-73f3-rqqf-2j54
Published 03-02-2026Last modified 03-02-2026
Open JSON

Vulnerability summary

CVE-2026-23795 is a medium (CVSS 4.9) vulnerability in apache software foundation apache syncope. EPSS estimates a 1.93% chance of exploitation in the next 30 days, higher than 79.6% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.93%
0%100%
Low · -0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-02-2026
    PublishedVulnerability first disclosed.
  2. 03-02-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.93%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

-0.06 pp

From 1.98% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.93%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
  • syncope≥ 3.0.0, < 3.0.16 | ≥ 4.0.0, < 4.0.4
Apache software foundation1 product
Org.apache.syncope.client.idrepo1 product
  • syncope-client-idrepo-console≥ 3.0.0, < 3.0.16 | ≥ 4.0.0, < 4.0.4

3 vendors · 3 products

References

4 links