CVE-2026-30631

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-21. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
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: Elevated riskExposed: 0

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

An issue was discovered in bytebot-ai in commit 3d37894ce07ef8d8b40adc7fd309ad96c2a71313 (2025-09-11) allowing attackers to execute arbitrary code via crafted path to computer_write_file.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 22, 2026

Advisory Details (2)

Auto-updated Sep 12, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic🟡 PoC Available

bytebot RCE description · GitHub

https://gist.github.com/spdc-elm/1a56d53591a929446a54e50e64de9fc0
github_commit

commit 3d37894ce07e (bytebot-ai/bytebot)

Fix landed in bytebot-ai/bytebot commit 3d37894ce07e — awaiting tagged release

https://github.com/bytebot-ai/bytebot/commit/3d37894ce07ef8d8b40adc7fd309ad96c2a71313

Vendor Advisories for CVE-2026-30631(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 23× in last 7d / 138× 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 325 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-30631?
CVE-2026-30631 is a critical vulnerability published on July 21, 2026. An issue was discovered in bytebot-ai in commit 3d37894ce07ef8d8b40adc7fd309ad96c2a71313 (2025-09-11) allowing attackers to execute arbitrary code via crafted path to computerwritefile.
When was CVE-2026-30631 disclosed?
CVE-2026-30631 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-30631 actively exploited?
CVE-2026-30631 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 47.9% of all scored CVEs.
What is the CVSS score of CVE-2026-30631?
CVE-2026-30631 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-30631?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30631, 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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