CVE-2026-19593

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-01. 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 week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

OpenAI Codex Desktop for Windows and macOS automatically inspected Git metadata and working-tree status when a user opened a workspace. If the workspace contains a repository with preserved attacker-controlled .git/config, the attr.tree setting and a configured clean or process filter can cause Git to run an attacker-controlled program. The program runs outside Codex's command sandbox with the signed-in user's privileges, without a workspace-trust prompt, command approval, or interaction with a model. The attacker can read, modify, or delete files and access credentials available to that user. Exploitation requires Git to be available on PATH and the user to open the attacker-prepared repository with its local Git configuration intact. An ordinary Git clone does not copy the source repository's .git/config and is not sufficient by itself.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

September 1, 2026

Last Modified

September 2, 2026

References (1)

Vendor Advisories for CVE-2026-19593(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 51× in last 7d / 101× 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 101 total refreshes for this CVE.

  1. 2026-09-15 08:36 UTCGHSA enrichment
  2. 2026-09-15 04:27 UTCEG score recompute
  3. 2026-09-15 04:27 UTCGHSA enrichment
  4. 2026-09-15 00:18 UTCGHSA enrichment
  5. 2026-09-14 20:09 UTCGHSA enrichment
  6. 2026-09-14 16:00 UTCGHSA enrichment
  7. 2026-09-14 11:52 UTCGHSA enrichment
  8. 2026-09-14 07:44 UTCGHSA enrichment
  9. 2026-09-14 03:35 UTCGHSA enrichment
  10. 2026-09-13 23:27 UTCGHSA enrichment
  11. 2026-09-13 19:19 UTCEG score recompute
  12. 2026-09-13 19:19 UTCGHSA enrichment
  13. 2026-09-13 16:46 UTCEPSS rescore
  14. 2026-09-13 15:11 UTCGHSA enrichment
  15. 2026-09-13 11:00 UTCGHSA enrichment
  16. 2026-09-13 06:51 UTCGHSA enrichment
  17. 2026-09-13 02:36 UTCGHSA enrichment
  18. 2026-09-12 22:27 UTCGHSA enrichment
  19. 2026-09-12 18:19 UTCEG score recompute
  20. 2026-09-12 18:19 UTCGHSA enrichment
  21. 2026-09-12 15:00 UTCEPSS rescore
  22. 2026-09-12 14:10 UTCGHSA enrichment
  23. 2026-09-12 10:01 UTCGHSA enrichment
  24. 2026-09-12 05:52 UTCGHSA enrichment
  25. 2026-09-12 01:44 UTCGHSA enrichment
Show 75 more
  1. 2026-09-11 21:36 UTCGHSA enrichment
  2. 2026-09-11 17:27 UTCEG score recompute
  3. 2026-09-11 17:27 UTCGHSA enrichment
  4. 2026-09-11 14:52 UTCEPSS rescore
  5. 2026-09-11 12:59 UTCEG score recompute
  6. 2026-09-11 12:59 UTCGHSA enrichment
  7. 2026-09-11 09:36 UTCEPSS rescore
  8. 2026-09-11 08:51 UTCGHSA enrichment
  9. 2026-09-11 04:42 UTCGHSA enrichment
  10. 2026-09-11 00:34 UTCGHSA enrichment
  11. 2026-09-10 20:26 UTCGHSA enrichment
  12. 2026-09-10 16:17 UTCGHSA enrichment
  13. 2026-09-10 12:00 UTCEG score recompute
  14. 2026-09-10 12:00 UTCGHSA enrichment
  15. 2026-09-10 09:34 UTCEPSS rescore
  16. 2026-09-10 07:52 UTCGHSA enrichment
  17. 2026-09-10 03:44 UTCGHSA enrichment
  18. 2026-09-09 23:36 UTCGHSA enrichment
  19. 2026-09-09 16:07 UTCGHSA enrichment
  20. 2026-09-09 11:47 UTCGHSA enrichment
  21. 2026-09-09 07:38 UTCGHSA enrichment
  22. 2026-09-09 03:30 UTCGHSA enrichment
  23. 2026-09-08 23:22 UTCEG score recompute
  24. 2026-09-08 23:22 UTCGHSA enrichment
  25. 2026-09-08 22:00 UTCEPSS rescore
  26. 2026-09-08 12:07 UTCGHSA enrichment
  27. 2026-09-08 07:57 UTCGHSA enrichment
  28. 2026-09-08 03:49 UTCGHSA enrichment
  29. 2026-09-07 23:40 UTCGHSA enrichment
  30. 2026-09-07 19:31 UTCEG score recompute
  31. 2026-09-07 19:31 UTCGHSA enrichment
  32. 2026-09-07 16:01 UTCEPSS rescore
  33. 2026-09-07 15:23 UTCGHSA enrichment
  34. 2026-09-07 11:14 UTCGHSA enrichment
  35. 2026-09-07 07:05 UTCGHSA enrichment
  36. 2026-09-07 02:56 UTCGHSA enrichment
  37. 2026-09-06 22:43 UTCGHSA enrichment
  38. 2026-09-06 18:35 UTCGHSA enrichment
  39. 2026-09-06 14:26 UTCEG score recompute
  40. 2026-09-06 14:26 UTCGHSA enrichment
  41. 2026-09-06 13:47 UTCEPSS rescore
  42. 2026-09-06 10:17 UTCGHSA enrichment
  43. 2026-09-06 06:09 UTCGHSA enrichment
  44. 2026-09-06 01:59 UTCGHSA enrichment
  45. 2026-09-05 21:50 UTCGHSA enrichment
  46. 2026-09-05 17:42 UTCEG score recompute
  47. 2026-09-05 17:42 UTCGHSA enrichment
  48. 2026-09-05 13:28 UTCGHSA enrichment
  49. 2026-09-05 09:18 UTCGHSA enrichment
  50. 2026-09-05 05:09 UTCGHSA enrichment
  51. 2026-09-05 00:58 UTCGHSA enrichment
  52. 2026-09-04 20:47 UTCGHSA enrichment
  53. 2026-09-04 16:38 UTCEG score recompute
  54. 2026-09-04 16:37 UTCGHSA enrichment
  55. 2026-09-04 12:27 UTCGHSA enrichment
  56. 2026-09-04 08:10 UTCEG score recompute
  57. 2026-09-04 08:10 UTCGHSA enrichment
  58. 2026-09-04 05:06 UTCEPSS rescore
  59. 2026-09-04 04:00 UTCGHSA enrichment
  60. 2026-09-03 23:48 UTCGHSA enrichment
  61. 2026-09-03 19:37 UTCGHSA enrichment
  62. 2026-09-03 15:26 UTCGHSA enrichment
  63. 2026-09-03 11:16 UTCGHSA enrichment
  64. 2026-09-03 07:07 UTCGHSA enrichment
  65. 2026-09-03 02:54 UTCGHSA enrichment
  66. 2026-09-02 22:46 UTCGHSA enrichment
  67. 2026-09-02 18:37 UTCEG score recompute
  68. 2026-09-02 18:37 UTCGHSA enrichment
  69. 2026-09-02 17:33 UTCEG score recompute▲ 9.80
  70. 2026-09-02 17:33 UTCGHSA enrichment
  71. 2026-09-02 17:31 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  72. 2026-09-02 14:11 UTCEPSS rescore
  73. 2026-09-01 21:07 UTCGHSA enrichment
  74. 2026-09-01 18:22 UTCNVD update
  75. 2026-09-01 17:22 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-19593?
CVE-2026-19593 is a critical vulnerability published on September 1, 2026. OpenAI Codex Desktop for Windows and macOS automatically inspected Git metadata and working-tree status when a user opened a workspace. If the workspace contains a repository with preserved attacker-controlled .git/config, the attr.tree setting and a configured clean or process filter can cause Git…
When was CVE-2026-19593 disclosed?
CVE-2026-19593 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19593 actively exploited?
CVE-2026-19593 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 78.5% of all scored CVEs.
What is the CVSS score of CVE-2026-19593?
CVE-2026-19593 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-19593?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19593, 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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