CVE-2026-68569

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-26. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: None knownExposed: 0

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

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.

CVSS v3
8.1
EG Score
8.1(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
42%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 27, 2026

Advisory Details (1)

Auto-updated Aug 26, 2026
No patch confirmed yet.
generic
https://lists.apache.org/thread/8robqo76q0osxgw0b5lcwgz0hcf9h4zc

Vendor Advisories for CVE-2026-68569(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 27× in last 7d / 27× 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. 2026-08-30 02:35 UTCEG score recompute
  2. 2026-08-30 02:35 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-29 14:37 UTCGHSA enrichment
  5. 2026-08-29 02:38 UTCEG score recompute
  6. 2026-08-29 02:37 UTCGHSA enrichment
  7. 2026-08-28 21:42 UTCEPSS rescore
  8. 2026-08-28 14:38 UTCGHSA enrichment
  9. 2026-08-28 02:38 UTCGHSA enrichment
  10. 2026-08-27 14:40 UTCEG score recompute
  11. 2026-08-27 14:40 UTCGHSA enrichment
  12. 2026-08-27 07:20 UTCEG score recompute
  13. 2026-08-27 07:20 UTCGHSA enrichment
  14. 2026-08-26 19:22 UTCGHSA enrichment
  15. 2026-08-26 18:41 UTCEG score recompute▲ 8.10
  16. 2026-08-26 18:41 UTCGHSA enrichment
  17. 2026-08-26 18:41 UTCMITRE cvelistV5CVSS v3 → 8.1 · severity → HIGH
  18. 2026-08-26 16:58 UTCGHSA enrichment
  19. 2026-08-26 15:56 UTCEG score recompute
  20. 2026-08-26 15:56 UTCGHSA enrichment
  21. 2026-08-26 15:43 UTCNVD update
  22. 2026-08-26 14:47 UTCEPSS rescore
  23. 2026-08-26 02:55 UTCGHSA enrichment
  24. 2026-08-26 02:54 UTCMITRE cvelistV5
  25. 2026-08-25 22:28 UTCNVD update
Show 2 more
  1. 2026-08-25 22:00 UTCEG score recompute
  2. 2026-08-25 21:59 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-68569?
CVE-2026-68569 is a high vulnerability published on August 25, 2026. Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through…
When was CVE-2026-68569 disclosed?
CVE-2026-68569 was first published in the National Vulnerability Database on August 25, 2026, with the most recent update on August 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-68569 actively exploited?
CVE-2026-68569 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.7% of all scored CVEs.
What is the CVSS score of CVE-2026-68569?
CVE-2026-68569 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-68569?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-68569, 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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