CVE-2026-12386

LOWPre-NVD 3.93.9—
EchelonGraph scoreHIGH confidence

Score 3.9 from GitHub Security Advisory (severity: LOW) published 2026-07-05. a secondary CVSS source baseline 3.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
3.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 3.9Exploit: NoneExposed: 0

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

Improper null termination vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Pen allows Overflow Buffers.

This issue affects Pardus Pen: from <=4.1.5 before 4.2.1.

CVSS v3
3.9
EG Score
3.9(high)
EPSS
0.9%
KEV
Not listed

Published

July 5, 2026

Last Modified

July 6, 2026

References (1)

Vendor Advisories for CVE-2026-12386(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 5× in last 7d / 20× 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. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-18 10:04 UTCEPSS rescore
  5. 2026-07-16 17:02 UTCEPSS rescore
  6. 2026-07-15 16:57 UTCEPSS rescore
  7. 2026-07-14 13:16 UTCGHSA enrichment
  8. 2026-07-13 22:30 UTCEPSS rescore
  9. 2026-07-13 06:12 UTCEPSS rescore
  10. 2026-07-12 05:46 UTCEPSS rescore
  11. 2026-07-11 13:46 UTCGHSA enrichment
  12. 2026-07-11 08:27 UTCEPSS rescore
  13. 2026-07-09 19:10 UTCEPSS rescore
  14. 2026-07-08 15:15 UTCEPSS rescore
  15. 2026-07-08 15:15 UTCEPSS rescore
  16. 2026-07-08 14:19 UTCGHSA enrichment
  17. 2026-07-07 13:46 UTCEPSS rescore
  18. 2026-07-06 16:27 UTCEPSS rescore
  19. 2026-07-05 14:51 UTCEG score recompute
  20. 2026-07-05 14:49 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-12386?
CVE-2026-12386 is a low vulnerability published on July 5, 2026. Improper null termination vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Pen allows Overflow Buffers. This issue affects Pardus Pen: from <=4.1.5 before 4.2.1.
When was CVE-2026-12386 disclosed?
CVE-2026-12386 was first published in the National Vulnerability Database on July 5, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12386 actively exploited?
CVE-2026-12386 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12386?
CVE-2026-12386 has a CVSS v3 base score of 3.9 (NVD).
How do I remediate CVE-2026-12386?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12386, 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-2026-12386

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