CVE-2026-12216

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-06-15. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

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

A weakness has been identified in svaarala duktape up to 2.99.99. This issue affects some unknown processing of the file duk_api_bytecode.c. Executing a manipulation of the argument count_instr can lead to memory corruption. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
5.3
EG Score
5.3(high)
EPSS
1.6%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 15, 2026

Advisory Details (1)

Auto-updated Jun 15, 2026
No patch confirmed yet.
generic

compileOOB/api_bytecode.md at main · hmKunlun/compileOOB · GitHub

https://github.com/hmKunlun/compileOOB/blob/main/api_bytecode.md

Vendor Advisories for CVE-2026-12216(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 20× in last 7d / 70× 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 00:30 UTCEG score recompute
  2. 2026-07-07 00:30 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 13:43 UTCEG score recompute
  6. 2026-07-05 13:43 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 14:32 UTCEG score recompute
  10. 2026-07-04 14:32 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-03 15:22 UTCEG score recompute
  13. 2026-07-03 15:22 UTCGHSA enrichment
  14. 2026-07-02 16:06 UTCEG score recompute
  15. 2026-07-02 16:06 UTCGHSA enrichment
  16. 2026-07-01 16:56 UTCEG score recompute
  17. 2026-07-01 16:56 UTCGHSA enrichment
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 17:46 UTCEG score recompute
  20. 2026-06-30 17:46 UTCGHSA enrichment
  21. 2026-06-29 18:36 UTCEG score recompute
  22. 2026-06-29 18:36 UTCGHSA enrichment
  23. 2026-06-28 18:09 UTCEG score recompute
  24. 2026-06-28 18:08 UTCGHSA enrichment
  25. 2026-06-28 14:07 UTCEPSS rescore
Show 45 more
  1. 2026-06-28 04:56 UTCEPSS rescore
  2. 2026-06-28 04:56 UTCEPSS rescore
  3. 2026-06-27 18:57 UTCEG score recompute
  4. 2026-06-27 18:57 UTCGHSA enrichment
  5. 2026-06-27 03:08 UTCEPSS rescore
  6. 2026-06-26 19:47 UTCEG score recompute
  7. 2026-06-26 19:46 UTCGHSA enrichment
  8. 2026-06-25 20:37 UTCEG score recompute
  9. 2026-06-25 20:37 UTCGHSA enrichment
  10. 2026-06-24 21:27 UTCEG score recompute
  11. 2026-06-24 21:27 UTCGHSA enrichment
  12. 2026-06-24 14:05 UTCEPSS rescore
  13. 2026-06-23 22:17 UTCEG score recompute
  14. 2026-06-23 22:17 UTCGHSA enrichment
  15. 2026-06-23 21:32 UTCEPSS rescore
  16. 2026-06-22 22:43 UTCEG score recompute
  17. 2026-06-22 22:43 UTCGHSA enrichment
  18. 2026-06-21 23:32 UTCEG score recompute
  19. 2026-06-21 23:32 UTCGHSA enrichment
  20. 2026-06-21 14:56 UTCEPSS rescore
  21. 2026-06-21 14:56 UTCEPSS rescore
  22. 2026-06-21 01:59 UTCEPSS rescore
  23. 2026-06-21 01:59 UTCEPSS rescore
  24. 2026-06-20 23:28 UTCEG score recompute
  25. 2026-06-20 23:28 UTCGHSA enrichment
  26. 2026-06-20 00:07 UTCEG score recompute
  27. 2026-06-20 00:07 UTCGHSA enrichment
  28. 2026-06-19 19:25 UTCEPSS rescore
  29. 2026-06-19 00:58 UTCEG score recompute
  30. 2026-06-19 00:57 UTCGHSA enrichment
  31. 2026-06-18 17:52 UTCEPSS rescore
  32. 2026-06-18 01:43 UTCEG score recompute
  33. 2026-06-18 01:43 UTCGHSA enrichment
  34. 2026-06-17 17:53 UTCEPSS rescore
  35. 2026-06-17 02:33 UTCEG score recompute
  36. 2026-06-17 02:33 UTCGHSA enrichment
  37. 2026-06-16 17:52 UTCEPSS rescore
  38. 2026-06-16 03:23 UTCEG score recompute
  39. 2026-06-16 03:23 UTCGHSA enrichment
  40. 2026-06-15 21:45 UTCNVD updateCVSS v4 → 1.9
  41. 2026-06-15 17:48 UTCEPSS rescore
  42. 2026-06-15 14:03 UTCMITRE cvelistV5CVSS v4 → 4.8
  43. 2026-06-15 05:24 UTCNVD updateCVSS v4 → 1.9
  44. 2026-06-15 04:14 UTCEG score recompute
  45. 2026-06-15 04:13 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12216?
CVE-2026-12216 is a medium vulnerability published on June 15, 2026. A weakness has been identified in svaarala duktape up to 2.99.99. This issue affects some unknown processing of the file dukapibytecode.c. Executing a manipulation of the argument count_instr can lead to memory corruption. The attack requires local access. The exploit has been made available to the…
When was CVE-2026-12216 disclosed?
CVE-2026-12216 was first published in the National Vulnerability Database on June 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12216 actively exploited?
CVE-2026-12216 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12216?
CVE-2026-12216 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-12216?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12216, 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-2026-12216

Explore →

Is Your Infrastructure Affected by CVE-2026-12216?

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

Start Free Scan →Browse All CVEs