CVE-2026-78336

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-14. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Insertion of sensitive information into sent data vulnerability in Apache Syncope.

Any authenticated user can query for the list of available OIDC providers configured for SSO with Console and Enduser. The returned payload contains all configuration settings, including client secrets, regardless of the entitlements owned by the caller.

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.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic
https://lists.apache.org/thread/h399sqmf4wgnfxxpd6x9lm3m672rrsjt

Vendor Advisories for CVE-2026-78336(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 29× in last 7d / 29× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-19 07:18 UTCGHSA enrichment
  2. 2026-09-18 19:41 UTCEG score recompute
  3. 2026-09-18 19:41 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 08:03 UTCGHSA enrichment
  6. 2026-09-17 20:26 UTCEG score recompute
  7. 2026-09-17 20:26 UTCGHSA enrichment
  8. 2026-09-17 08:49 UTCGHSA enrichment
  9. 2026-09-16 21:12 UTCEG score recompute
  10. 2026-09-16 21:12 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 08:49 UTCEG score recompute
  13. 2026-09-16 08:49 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 20:18 UTCGHSA enrichment
  16. 2026-09-15 08:41 UTCEG score recompute
  17. 2026-09-15 08:41 UTCGHSA enrichment
  18. 2026-09-14 21:04 UTCGHSA enrichment
  19. 2026-09-14 20:26 UTCGHSA enrichment
  20. 2026-09-14 19:30 UTCEG score recompute▲ 7.50
  21. 2026-09-14 19:30 UTCGHSA enrichment
  22. 2026-09-14 19:29 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  23. 2026-09-14 19:20 UTCGHSA enrichment
  24. 2026-09-14 19:18 UTCNVD update
  25. 2026-09-14 18:26 UTCGHSA enrichment
Show 4 more
  1. 2026-09-14 18:24 UTCMITRE cvelistV5
  2. 2026-09-14 13:28 UTCNVD update
  3. 2026-09-14 12:45 UTCEG score recompute
  4. 2026-09-14 12:44 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-78336?
CVE-2026-78336 is a high vulnerability published on September 14, 2026. Insertion of sensitive information into sent data vulnerability in Apache Syncope. Any authenticated user can query for the list of available OIDC providers configured for SSO with Console and Enduser. The returned payload contains all configuration settings, including client secrets, regardless of…
When was CVE-2026-78336 disclosed?
CVE-2026-78336 was first published in the National Vulnerability Database on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-78336 actively exploited?
CVE-2026-78336 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 64.7% of all scored CVEs.
What is the CVSS score of CVE-2026-78336?
CVE-2026-78336 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-78336?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78336, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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