CVE-2026-54762

HIGHNVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.6 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 72% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.6Exploit: NoneExposed: 0

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

Traefik is an HTTP reverse proxy and load balancer. From 3.7.0-ea.1 until 3.7.5, there is a medium severity vulnerability in Traefik's Kubernetes Ingress NGINX provider that causes affected routes to fail open. When an Ingress explicitly enables BasicAuth or DigestAuth through the supported nginx.ingress.kubernetes.io/auth-type and auth-secret annotations, but the referenced auth Secret cannot be resolved or parsed, Traefik logs the resolution error, skips installing the authentication middleware, and still emits a router to the backend service. A route that operators intended to protect is therefore published to the data plane without its authentication control, allowing unauthenticated access to the backend. The trigger is an invalid or unresolved auth dependency — a missing, malformed, unreadable, or policy-denied Secret — rather than an intentionally unprotected route. This vulnerability is fixed in 3.7.5.

CVSS v3
8.6
EG Score
8.6(medium)
EPSS
28.1%
KEV
Not listed

Published

June 19, 2026

Last Modified

June 26, 2026

Advisory Details (2)

Auto-updated Jun 25, 2026
🔬 Proof of concept available. Patch available. Sources: github_release, github.
github Patch Available🟡 PoC Available

Traefik Kubernetes Ingress NGINX provider fails open when auth-secret resolution fails · Advisory · traefik/traefik · GitHub

https://github.com/traefik/traefik/security/advisories/GHSA-4mr2-fg2p-w63c
github_release Patch Available

v3.7.5

Patch available: traefik/traefik v3.7.5

https://github.com/traefik/traefik/releases/tag/v3.7.5

Vendor Advisories for CVE-2026-54762(1)

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

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/traefik/traefik/v3—3.7.5—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 26× in last 7d / 46× 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. 2026-07-07 04:43 UTCEG score recompute
  2. 2026-07-06 17:46 UTCEG score recompute
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 06:35 UTCEG score recompute
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-05 19:40 UTCEG score recompute
  9. 2026-07-05 08:45 UTCEG score recompute
  10. 2026-07-05 02:31 UTCEPSS rescore
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-04 21:49 UTCEG score recompute
  13. 2026-07-04 10:53 UTCEG score recompute
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-03 23:54 UTCEG score recompute
  17. 2026-07-03 12:58 UTCEG score recompute
  18. 2026-07-03 00:39 UTCEG score recompute
  19. 2026-07-02 13:44 UTCEG score recompute
  20. 2026-07-02 02:48 UTCEG score recompute
  21. 2026-07-01 15:52 UTCEG score recompute
  22. 2026-07-01 15:07 UTCEPSS rescore
  23. 2026-07-01 04:57 UTCEG score recompute
  24. 2026-06-30 23:22 UTCEPSS rescore
  25. 2026-06-30 18:00 UTCEG score recompute
Show 21 more
  1. 2026-06-30 07:04 UTCEG score recompute
  2. 2026-06-29 20:09 UTCEG score recompute
  3. 2026-06-29 14:06 UTCEPSS rescore
  4. 2026-06-29 14:06 UTCEPSS rescore
  5. 2026-06-29 09:13 UTCEG score recompute
  6. 2026-06-28 22:18 UTCEG score recompute
  7. 2026-06-28 14:07 UTCEPSS rescore
  8. 2026-06-28 11:23 UTCEG score recompute
  9. 2026-06-28 04:56 UTCEPSS rescore
  10. 2026-06-28 04:56 UTCEPSS rescore
  11. 2026-06-28 00:26 UTCEG score recompute
  12. 2026-06-27 13:30 UTCEG score recompute▲ 2.70
  13. 2026-06-27 03:08 UTCEPSS rescore
  14. 2026-06-26 17:41 UTCNVD updateCVSS v3 → 8.6 · severity → HIGH
  15. 2026-06-26 13:01 UTCEG score recompute
  16. 2026-06-25 13:49 UTCEPSS rescore
  17. 2026-06-25 12:32 UTCEG score recompute
  18. 2026-06-24 14:05 UTCEPSS rescore
  19. 2026-06-24 12:02 UTCEG score recompute▲ 5.90
  20. 2026-06-24 12:01 UTCNVD updateCVSS v3 → 5.9 · CVSS v4 → 5.9
  21. 2026-06-19 21:23 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-54762?
CVE-2026-54762 is a high vulnerability published on June 19, 2026. Traefik is an HTTP reverse proxy and load balancer. From 3.7.0-ea.1 until 3.7.5, there is a medium severity vulnerability in Traefik's Kubernetes Ingress NGINX provider that causes affected routes to fail open. When an Ingress explicitly enables BasicAuth or DigestAuth through the supported…
When was CVE-2026-54762 disclosed?
CVE-2026-54762 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-54762 actively exploited?
CVE-2026-54762 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-54762?
CVE-2026-54762 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2026-54762?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54762, 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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