CVE-2026-12216

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM 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
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 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(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

June 15, 2026

Last Modified

July 24, 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.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
duktape2.5.0-2 ... 2.7.0-2 (6 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
duktape2.7.0-2——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
duktape2.7.0-2——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
duktape2.7.0-2——

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 34× 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.

Showing the most recent 100 of 171 total refreshes for this CVE.

  1. 2026-09-16 05:14 UTCEPSS rescore
  2. 2026-09-14 03:51 UTCEG score recompute
  3. 2026-09-14 03:51 UTCGHSA enrichment
  4. 2026-09-13 16:46 UTCEPSS rescore
  5. 2026-09-12 15:00 UTCEPSS rescore
  6. 2026-09-11 14:52 UTCEPSS rescore
  7. 2026-09-11 09:36 UTCEPSS rescore
  8. 2026-09-10 09:34 UTCEPSS rescore
  9. 2026-09-08 22:00 UTCEPSS rescore
  10. 2026-09-06 13:47 UTCEPSS rescore
  11. 2026-09-04 05:06 UTCEPSS rescore
  12. 2026-09-02 14:11 UTCEPSS rescore
  13. 2026-09-01 13:53 UTCEPSS rescore
  14. 2026-09-01 04:39 UTCEPSS rescore
  15. 2026-08-30 23:02 UTCEG score recompute
  16. 2026-08-30 23:02 UTCGHSA enrichment
  17. 2026-08-30 19:17 UTCEPSS rescore
  18. 2026-08-28 21:40 UTCEPSS rescore
  19. 2026-08-27 14:24 UTCEPSS rescore
  20. 2026-08-25 13:48 UTCEPSS rescore
  21. 2026-08-24 23:40 UTCEG score recompute
  22. 2026-08-24 23:40 UTCGHSA enrichment
  23. 2026-08-23 09:50 UTCEG score recompute
  24. 2026-08-23 09:50 UTCGHSA enrichment
  25. 2026-08-23 00:19 UTCEPSS rescore
Show 75 more
  1. 2026-08-21 11:58 UTCEG score recompute
  2. 2026-08-21 11:58 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 12:41 UTCEG score recompute
  5. 2026-08-20 12:41 UTCGHSA enrichment
  6. 2026-08-19 17:03 UTCEPSS rescore
  7. 2026-08-19 13:30 UTCEG score recompute
  8. 2026-08-19 13:30 UTCGHSA enrichment
  9. 2026-08-18 13:48 UTCEPSS rescore
  10. 2026-08-16 22:37 UTCEG score recompute
  11. 2026-08-16 22:37 UTCGHSA enrichment
  12. 2026-08-16 14:56 UTCEPSS rescore
  13. 2026-08-16 02:14 UTCEPSS rescore
  14. 2026-08-15 23:26 UTCEG score recompute
  15. 2026-08-15 23:26 UTCGHSA enrichment
  16. 2026-08-15 01:30 UTCEPSS rescore
  17. 2026-08-14 21:23 UTCGHSA enrichment
  18. 2026-08-13 22:05 UTCEG score recompute
  19. 2026-08-13 22:05 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-12 17:58 UTCEG score recompute
  22. 2026-08-12 17:58 UTCGHSA enrichment
  23. 2026-08-12 13:50 UTCEPSS rescore
  24. 2026-08-11 18:48 UTCEG score recompute
  25. 2026-08-11 18:48 UTCGHSA enrichment
  26. 2026-08-10 23:59 UTCEPSS rescore
  27. 2026-08-10 19:39 UTCGHSA enrichment
  28. 2026-08-09 16:28 UTCEG score recompute
  29. 2026-08-09 16:28 UTCGHSA enrichment
  30. 2026-08-09 13:46 UTCEPSS rescore
  31. 2026-08-08 17:19 UTCEG score recompute
  32. 2026-08-08 17:19 UTCGHSA enrichment
  33. 2026-08-08 16:37 UTCEPSS rescore
  34. 2026-08-07 18:09 UTCEG score recompute
  35. 2026-08-07 18:09 UTCGHSA enrichment
  36. 2026-08-06 18:59 UTCEG score recompute
  37. 2026-08-06 18:59 UTCGHSA enrichment
  38. 2026-08-06 13:46 UTCEPSS rescore
  39. 2026-08-05 19:49 UTCEG score recompute
  40. 2026-08-05 19:49 UTCGHSA enrichment
  41. 2026-08-05 19:17 UTCEPSS rescore
  42. 2026-08-04 15:43 UTCEG score recompute
  43. 2026-08-04 15:43 UTCGHSA enrichment
  44. 2026-08-04 15:09 UTCEPSS rescore
  45. 2026-08-04 10:38 UTCEPSS rescore
  46. 2026-08-03 10:35 UTCEPSS rescore
  47. 2026-08-03 08:58 UTCGHSA enrichment
  48. 2026-08-02 08:07 UTCEG score recompute
  49. 2026-08-02 08:07 UTCGHSA enrichment
  50. 2026-08-02 02:26 UTCEPSS rescore
  51. 2026-08-01 08:57 UTCEG score recompute
  52. 2026-08-01 08:57 UTCGHSA enrichment
  53. 2026-08-01 04:15 UTCEPSS rescore
  54. 2026-07-31 04:48 UTCEG score recompute
  55. 2026-07-31 04:48 UTCGHSA enrichment
  56. 2026-07-30 16:27 UTCEPSS rescore
  57. 2026-07-30 05:38 UTCEG score recompute
  58. 2026-07-30 05:38 UTCGHSA enrichment
  59. 2026-07-30 01:30 UTCEPSS rescore
  60. 2026-07-29 06:11 UTCEG score recompute
  61. 2026-07-29 06:11 UTCGHSA enrichment
  62. 2026-07-28 15:36 UTCEPSS rescore
  63. 2026-07-28 07:00 UTCEG score recompute
  64. 2026-07-28 07:00 UTCGHSA enrichment
  65. 2026-07-27 14:13 UTCEPSS rescore
  66. 2026-07-27 07:50 UTCEG score recompute
  67. 2026-07-27 07:50 UTCGHSA enrichment
  68. 2026-07-26 14:54 UTCEPSS rescore
  69. 2026-07-26 14:54 UTCEPSS rescore
  70. 2026-07-26 05:13 UTCEG score recompute
  71. 2026-07-26 05:13 UTCGHSA enrichment
  72. 2026-07-25 14:17 UTCEPSS rescore
  73. 2026-07-24 14:17 UTCEPSS rescore
  74. 2026-07-23 03:05 UTCEG score recompute
  75. 2026-07-22 14:08 UTCEPSS rescore

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, with the most recent update on July 24, 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 0% probability of exploitation in the next 30 days, which ranks it in the top 98.5% of all scored CVEs.
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

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