CVE-2026-12578

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: 0.4%, top 69% 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 — 4 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.

The affected product is vulnerable to a deserialization of untrusted data, which may allow an attacker to execute arbitrary code.

CVSS v3
8.4
EG Score
8.4(medium)
EPSS
30.8%
KEV
Not listed

Published

June 30, 2026

Last Modified

June 30, 2026

References (1)

Vendor Advisories for CVE-2026-12578(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 39× in last 7d / 39× 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 20:29 UTCEG score recompute
  2. 2026-07-06 20:29 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 09:00 UTCEG score recompute
  5. 2026-07-06 09:00 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 21:27 UTCEG score recompute
  8. 2026-07-05 21:26 UTCGHSA enrichment
  9. 2026-07-05 09:57 UTCEG score recompute
  10. 2026-07-05 09:57 UTCGHSA enrichment
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-05 02:30 UTCEPSS rescore
  13. 2026-07-04 22:28 UTCEG score recompute
  14. 2026-07-04 22:28 UTCGHSA enrichment
  15. 2026-07-04 10:59 UTCEG score recompute
  16. 2026-07-04 10:59 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-03 23:30 UTCEG score recompute
  19. 2026-07-03 23:29 UTCGHSA enrichment
  20. 2026-07-03 12:00 UTCEG score recompute
  21. 2026-07-03 12:00 UTCGHSA enrichment
  22. 2026-07-03 00:00 UTCEG score recompute
  23. 2026-07-03 00:00 UTCGHSA enrichment
  24. 2026-07-02 12:31 UTCEG score recompute
  25. 2026-07-02 12:31 UTCGHSA enrichment
Show 14 more
  1. 2026-07-02 01:03 UTCEG score recompute
  2. 2026-07-02 01:03 UTCGHSA enrichment
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-07-01 15:06 UTCEPSS rescore
  5. 2026-07-01 13:34 UTCEG score recompute
  6. 2026-07-01 13:34 UTCGHSA enrichment
  7. 2026-07-01 02:05 UTCEG score recompute
  8. 2026-07-01 02:05 UTCGHSA enrichment
  9. 2026-06-30 23:22 UTCEPSS rescore
  10. 2026-06-30 14:34 UTCEG score recompute▲ 8.40
  11. 2026-06-30 14:34 UTCGHSA enrichment
  12. 2026-06-30 14:32 UTCNVD updateCVSS v3 → 8.4 · CVSS v4 → 8.4
  13. 2026-06-30 10:31 UTCEG score recompute
  14. 2026-06-30 10:30 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12578?
CVE-2026-12578 is a high vulnerability published on June 30, 2026. The affected product is vulnerable to a deserialization of untrusted data, which may allow an attacker to execute arbitrary code.
When was CVE-2026-12578 disclosed?
CVE-2026-12578 was first published in the National Vulnerability Database on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12578 actively exploited?
CVE-2026-12578 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12578?
CVE-2026-12578 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2026-12578?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12578, 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-2026-12578

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