CVE-2026-30305

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-03-30. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Syntx's command auto-approval module contains a critical OS command injection vulnerability that renders its whitelist security mechanism completely ineffective. The system relies on fragile regular expressions to parse command structures; while it attempts to intercept dangerous operations, it fails to account for standard Shell command substitution syntax (specifically $(...)and backticks ...). An attacker can construct a command such as git log --grep="$(malicious_command)", forcing Syntx to misidentify it as a safe git operation and automatically approve it. The underlying Shell prioritizes the execution of the malicious code injected within the arguments, resulting in Remote Code Execution without any user interaction.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
64%
KEV
Not listed

Published

March 30, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 31, 2026
No patch confirmed yet.
generic

BULAN33: Gates Of Olympus Kembali Menggila, Petir x1000 Siap Menghujani Layar Anda

https://syntx.dev/
generic

Syntx Remote Code Execution Vulnerability · Issue #5 · Secsys-FDU/LLM-Tool-Calling-CVEs · GitHub

https://github.com/Secsys-FDU/LLM-Tool-Calling-CVEs/issues/5

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 76× 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 213 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-30305?
CVE-2026-30305 is a critical vulnerability published on March 30, 2026. Syntx's command auto-approval module contains a critical OS command injection vulnerability that renders its whitelist security mechanism completely ineffective. The system relies on fragile regular expressions to parse command structures; while it attempts to intercept dangerous operations, it…
When was CVE-2026-30305 disclosed?
CVE-2026-30305 was first published in the National Vulnerability Database on March 30, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-30305 actively exploited?
CVE-2026-30305 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 35.5% of all scored CVEs.
What is the CVSS score of CVE-2026-30305?
CVE-2026-30305 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-30305?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30305, 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.

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