CVE-2026-1580

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 81% 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
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

A security issue was discovered in ingress-nginx where the nginx.ingress.kubernetes.io/auth-method Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)

CVSS v3
8.8
EG Score
8.8(medium)
EPSS
38.9%
KEV
Not listed

Published

February 3, 2026

Last Modified

April 15, 2026

Advisory Details (1)

Auto-updated May 22, 2026
No patch confirmed yet.
generic

CVE-2026-1580: ingress-nginx auth-method nginx configuration injection · Issue #136677 · kubernetes/kubernetes · GitHub

https://github.com/kubernetes/kubernetes/issues/136677

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
k8s.io/ingress-nginx———

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 40× 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.

Showing the most recent 100 of 105 total refreshes for this CVE.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
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  17. 2026-07-13 08:38 UTCOSV refresh
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  1. 2026-07-06 02:23 UTCEPSS rescore
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  7. 2026-06-30 23:22 UTCEPSS rescore
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  27. 2026-06-14 23:18 UTCEPSS rescore
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  44. 2026-06-04 13:12 UTCEPSS rescore
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  70. 2026-05-22 21:16 UTCEPSS rescore
  71. 2026-05-21 22:43 UTCEPSS rescore
  72. 2026-05-20 23:33 UTCEG score recompute
  73. 2026-05-20 22:38 UTCEPSS rescore
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-1580?
CVE-2026-1580 is a high vulnerability published on February 3, 2026. A security issue was discovered in ingress-nginx where the nginx.ingress.kubernetes.io/auth-method Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the…
When was CVE-2026-1580 disclosed?
CVE-2026-1580 was first published in the National Vulnerability Database on February 3, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1580 actively exploited?
CVE-2026-1580 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-1580?
CVE-2026-1580 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-1580?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1580, 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.

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