CVE-2026-92720

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-16. a secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

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

Kubero through 3.1.1 fails to apply authentication guards to the notifications API endpoints, allowing unauthenticated attackers to read webhook secrets and service URLs. Attackers can retrieve stored credentials and register malicious webhooks to intercept pipeline events or suppress alerting by deleting existing configurations.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 17, 2026

Advisory Details (5)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

Kubero through 3.1.1 Unauthenticated Notifications API Access | Advisories | VulnCheck

https://www.vulncheck.com/advisories/kubero-through-3.1.1-unauthenticated-notifications-api-access
generic

kubero/server/src/main.ts at v3.1.1 · kubero-dev/kubero · GitHub

https://github.com/kubero-dev/kubero/blob/v3.1.1/server/src/main.ts
generic

kubero/server/src/notifications/notifications.controller.ts at v3.1.1 · kubero-dev/kubero · GitHub

https://github.com/kubero-dev/kubero/blob/v3.1.1/server/src/notifications/notifications.controller.ts#L23-L33
generic

GitHub - kubero-dev/kubero: A free and self-hosted PaaS alternative to Heroku / Netlify / Coolify / Vercel / Dokku / Portainer running on Kubernetes · GitHub

https://github.com/kubero-dev/kubero
generic

Unauthenticated CRUD on notification configurations exposes webhook secrets and allows event exfiltration · Issue #753 · kubero-dev/kubero · GitHub

https://github.com/kubero-dev/kubero/issues/753

Vendor Advisories for CVE-2026-92720(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 41× in last 7d / 41× 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. 2026-09-21 07:25 UTCGHSA enrichment
  2. 2026-09-21 03:29 UTCGHSA enrichment
  3. 2026-09-20 23:33 UTCEG score recompute
  4. 2026-09-20 23:33 UTCGHSA enrichment
  5. 2026-09-20 20:16 UTCEPSS rescore
  6. 2026-09-20 19:36 UTCGHSA enrichment
  7. 2026-09-20 15:40 UTCGHSA enrichment
  8. 2026-09-20 11:43 UTCGHSA enrichment
  9. 2026-09-20 07:43 UTCGHSA enrichment
  10. 2026-09-20 03:44 UTCGHSA enrichment
  11. 2026-09-19 23:48 UTCGHSA enrichment
  12. 2026-09-19 19:52 UTCGHSA enrichment
  13. 2026-09-19 15:56 UTCEG score recompute
  14. 2026-09-19 15:56 UTCGHSA enrichment
  15. 2026-09-19 11:58 UTCGHSA enrichment
  16. 2026-09-19 08:02 UTCGHSA enrichment
  17. 2026-09-19 04:05 UTCGHSA enrichment
  18. 2026-09-19 00:09 UTCGHSA enrichment
  19. 2026-09-18 20:12 UTCEG score recompute
  20. 2026-09-18 20:11 UTCGHSA enrichment
  21. 2026-09-18 19:28 UTCEPSS rescore
  22. 2026-09-18 16:12 UTCGHSA enrichment
  23. 2026-09-18 12:16 UTCGHSA enrichment
  24. 2026-09-18 08:19 UTCGHSA enrichment
  25. 2026-09-18 04:21 UTCGHSA enrichment
Show 16 more
  1. 2026-09-18 00:24 UTCGHSA enrichment
  2. 2026-09-17 20:28 UTCEG score recompute
  3. 2026-09-17 20:28 UTCGHSA enrichment
  4. 2026-09-17 19:32 UTCEPSS rescore
  5. 2026-09-17 19:31 UTCEG score recompute
  6. 2026-09-17 19:31 UTCGHSA enrichment
  7. 2026-09-17 18:18 UTCGHSA enrichment
  8. 2026-09-17 14:04 UTCGHSA enrichment
  9. 2026-09-17 10:08 UTCGHSA enrichment
  10. 2026-09-17 06:12 UTCGHSA enrichment
  11. 2026-09-17 02:16 UTCGHSA enrichment
  12. 2026-09-16 22:20 UTCEG score recompute
  13. 2026-09-16 22:20 UTCGHSA enrichment
  14. 2026-09-16 18:24 UTCEG score recompute
  15. 2026-09-16 17:38 UTCEG score recompute
  16. 2026-09-16 17:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-92720?
CVE-2026-92720 is a critical vulnerability published on September 16, 2026. Kubero through 3.1.1 fails to apply authentication guards to the notifications API endpoints, allowing unauthenticated attackers to read webhook secrets and service URLs. Attackers can retrieve stored credentials and register malicious webhooks to intercept pipeline events or suppress alerting by…
When was CVE-2026-92720 disclosed?
CVE-2026-92720 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92720 actively exploited?
CVE-2026-92720 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 60.3% of all scored CVEs.
What is the CVSS score of CVE-2026-92720?
CVE-2026-92720 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-92720?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92720, 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

Explore the affected products and dependency analysis for CVE-2026-92720

Explore →

Is Your Infrastructure Affected by CVE-2026-92720?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs