CVE-2026-9307

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.3 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 78% 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: cna:rockwell, epss
Trending — 3 sources updated this week
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.3Exploit: NoneExposed: 0

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

A sensitive information disclosure security issue exists within the affected CompactLogix controllers. The controller's web server exposes CIP Connection IDs on the diagnostics webpage, which are accessible to any unauthenticated user on the network. This information can be leveraged by an attacker to construct malicious packets, leading to Denial-of-Service.

CVSS v3
6.3
EG Score
6.3(medium)
EPSS
21.6%
KEV
Not listed

Published

June 16, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jun 21, 2026
No patch confirmed yet.
generic

SD1776 | Security Advisory | Rockwell Automation | US

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1776.html

Vendor Advisories for CVE-2026-9307(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 19× in last 7d / 55× 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. 2026-07-06 23:13 UTCEG score recompute
  2. 2026-07-06 23:13 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 11:17 UTCEG score recompute
  6. 2026-07-05 11:17 UTCGHSA enrichment
  7. 2026-07-05 02:31 UTCEPSS rescore
  8. 2026-07-04 09:20 UTCEG score recompute
  9. 2026-07-04 09:20 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-03 00:37 UTCEG score recompute
  13. 2026-07-03 00:37 UTCGHSA enrichment
  14. 2026-07-01 22:40 UTCEG score recompute
  15. 2026-07-01 22:39 UTCGHSA enrichment
  16. 2026-07-01 15:07 UTCEPSS rescore
  17. 2026-06-30 23:22 UTCEPSS rescore
  18. 2026-06-30 20:27 UTCEG score recompute
  19. 2026-06-30 20:27 UTCGHSA enrichment
  20. 2026-06-29 18:30 UTCEG score recompute
  21. 2026-06-29 18:30 UTCGHSA enrichment
  22. 2026-06-29 14:06 UTCEPSS rescore
  23. 2026-06-28 16:16 UTCEG score recompute
  24. 2026-06-28 16:16 UTCGHSA enrichment
  25. 2026-06-28 14:07 UTCEPSS rescore
Show 30 more
  1. 2026-06-28 04:56 UTCEPSS rescore
  2. 2026-06-27 14:20 UTCEG score recompute
  3. 2026-06-27 14:20 UTCGHSA enrichment
  4. 2026-06-27 03:08 UTCEPSS rescore
  5. 2026-06-26 12:24 UTCEG score recompute
  6. 2026-06-26 12:23 UTCGHSA enrichment
  7. 2026-06-25 13:50 UTCEPSS rescore
  8. 2026-06-25 10:27 UTCEG score recompute
  9. 2026-06-25 10:27 UTCGHSA enrichment
  10. 2026-06-24 14:05 UTCEPSS rescore
  11. 2026-06-24 08:32 UTCEG score recompute
  12. 2026-06-24 08:31 UTCGHSA enrichment
  13. 2026-06-23 21:33 UTCEPSS rescore
  14. 2026-06-23 06:36 UTCEG score recompute
  15. 2026-06-23 06:36 UTCGHSA enrichment
  16. 2026-06-22 14:25 UTCEPSS rescore
  17. 2026-06-22 04:34 UTCEG score recompute
  18. 2026-06-22 04:34 UTCGHSA enrichment
  19. 2026-06-21 14:56 UTCEPSS rescore
  20. 2026-06-21 02:37 UTCEG score recompute▲ 6.30
  21. 2026-06-21 02:37 UTCGHSA enrichment
  22. 2026-06-21 02:36 UTCMITRE cvelistV5CVSS v3 → 6.3 · CVSS v4 → 6.3
  23. 2026-06-21 01:59 UTCEPSS rescore
  24. 2026-06-19 19:26 UTCEPSS rescore
  25. 2026-06-19 18:17 UTCEG score recompute
  26. 2026-06-19 18:17 UTCGHSA enrichment
  27. 2026-06-18 17:52 UTCEPSS rescore
  28. 2026-06-17 17:53 UTCEPSS rescore
  29. 2026-06-16 15:45 UTCEG score recompute
  30. 2026-06-16 15:44 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-9307?
CVE-2026-9307 is a medium vulnerability published on June 16, 2026. A sensitive information disclosure security issue exists within the affected CompactLogix controllers. The controller's web server exposes CIP Connection IDs on the diagnostics webpage, which are accessible to any unauthenticated user on the network. This information can be leveraged by an attacker…
When was CVE-2026-9307 disclosed?
CVE-2026-9307 was first published in the National Vulnerability Database on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9307 actively exploited?
CVE-2026-9307 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9307?
CVE-2026-9307 has a CVSS v4.0 base score of 6.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-9307?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9307, 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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