CVE-2026-12897

HIGHPre-NVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 97% 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, secondary
Trending — 3 sources updated this week
8.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.4Exploit: NoneExposed: 0

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

Horner Automation Cscape versions prior to 10.2 SP3 are vulnerable to an Out-of-Bounds Read vulnerability through parsing CSP files. Successful exploitation of this vulnerability could allow an attacker to disclose information and execute arbitrary code.

CVSS v3
8.4
EG Score
8.4(medium)
EPSS
3.2%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 25, 2026

Advisory Details (1)

Auto-updated Jun 25, 2026
Patch available. Sources: cisa.
cisa Patch Available

Horner Automation Cscape | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-26-176-03

Vendor Advisories for CVE-2026-12897(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 33× in last 7d / 56× 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 05:44 UTCEG score recompute
  2. 2026-07-07 05:44 UTCGHSA enrichment
  3. 2026-07-06 16:47 UTCEG score recompute
  4. 2026-07-06 16:47 UTCGHSA enrichment
  5. 2026-07-06 03:50 UTCEG score recompute
  6. 2026-07-06 03:50 UTCGHSA enrichment
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-05 14:54 UTCEG score recompute
  9. 2026-07-05 14:54 UTCGHSA enrichment
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-05 01:58 UTCEG score recompute
  13. 2026-07-05 01:58 UTCGHSA enrichment
  14. 2026-07-04 13:02 UTCEG score recompute
  15. 2026-07-04 13:02 UTCGHSA enrichment
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-04 00:05 UTCEG score recompute
  18. 2026-07-04 00:05 UTCGHSA enrichment
  19. 2026-07-03 11:07 UTCEG score recompute
  20. 2026-07-03 11:07 UTCGHSA enrichment
  21. 2026-07-02 22:11 UTCEG score recompute
  22. 2026-07-02 22:11 UTCGHSA enrichment
  23. 2026-07-02 09:15 UTCEG score recompute
  24. 2026-07-02 09:15 UTCGHSA enrichment
  25. 2026-07-01 20:19 UTCEG score recompute
Show 31 more
  1. 2026-07-01 20:19 UTCGHSA enrichment
  2. 2026-07-01 15:06 UTCEPSS rescore
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-07-01 07:24 UTCEG score recompute
  5. 2026-07-01 07:24 UTCGHSA enrichment
  6. 2026-06-30 23:22 UTCEPSS rescore
  7. 2026-06-30 18:28 UTCEG score recompute
  8. 2026-06-30 18:28 UTCGHSA enrichment
  9. 2026-06-30 05:32 UTCEG score recompute
  10. 2026-06-30 05:32 UTCGHSA enrichment
  11. 2026-06-29 16:32 UTCEG score recompute
  12. 2026-06-29 16:32 UTCGHSA enrichment
  13. 2026-06-29 14:06 UTCEPSS rescore
  14. 2026-06-29 03:37 UTCEG score recompute
  15. 2026-06-29 03:36 UTCGHSA enrichment
  16. 2026-06-28 14:40 UTCEG score recompute
  17. 2026-06-28 14:40 UTCGHSA enrichment
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-28 01:44 UTCEG score recompute
  22. 2026-06-28 01:44 UTCGHSA enrichment
  23. 2026-06-27 12:48 UTCEG score recompute
  24. 2026-06-27 12:48 UTCGHSA enrichment
  25. 2026-06-27 03:08 UTCEPSS rescore
  26. 2026-06-26 23:52 UTCEG score recompute
  27. 2026-06-26 23:52 UTCGHSA enrichment
  28. 2026-06-26 10:57 UTCEG score recompute
  29. 2026-06-26 10:57 UTCGHSA enrichment
  30. 2026-06-25 19:50 UTCEG score recompute
  31. 2026-06-25 19:49 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-12897?
CVE-2026-12897 is a high vulnerability published on June 25, 2026. Horner Automation Cscape versions prior to 10.2 SP3 are vulnerable to an Out-of-Bounds Read vulnerability through parsing CSP files. Successful exploitation of this vulnerability could allow an attacker to disclose information and execute arbitrary code.
When was CVE-2026-12897 disclosed?
CVE-2026-12897 was first published in the National Vulnerability Database on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12897 actively exploited?
CVE-2026-12897 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12897?
CVE-2026-12897 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2026-12897?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12897, 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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