CVE-2026-44463

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 86% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

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

Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed by prepending environment variable assignments to allowlisted commands, hijacking program behavior (e.g., PAGER) to execute arbitrary code. This vulnerability is fixed in 0.229.0.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
14.0%
KEV
Not listed

Published

May 28, 2026

Last Modified

June 3, 2026

Advisory Details (1)

Auto-updated May 28, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

Allowlist Bypass via Environment Variable Injection in Terminal Tool Permissions · Advisory · zed-industries/zed · GitHub

https://github.com/zed-industries/zed/security/advisories/GHSA-c3g6-c3ff-69cg

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 53× 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 112 total refreshes for this CVE.

  1. 2026-07-16 02:55 UTCEG score recompute
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
  4. 2026-07-13 22:30 UTCEPSS rescore
  5. 2026-07-13 06:13 UTCEPSS rescore
  6. 2026-07-12 05:46 UTCEPSS rescore
  7. 2026-07-11 19:51 UTCEG score recompute
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-09 19:10 UTCEPSS rescore
  10. 2026-07-08 18:08 UTCEG score recompute
  11. 2026-07-08 15:16 UTCEPSS rescore
  12. 2026-07-07 13:46 UTCEPSS rescore
  13. 2026-07-06 16:27 UTCEPSS rescore
  14. 2026-07-06 02:23 UTCEPSS rescore
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-02 12:55 UTCEG score recompute
  18. 2026-07-01 15:47 UTCEG score recompute
  19. 2026-07-01 15:07 UTCEPSS rescore
  20. 2026-07-01 02:55 UTCEG score recompute
  21. 2026-06-30 23:22 UTCEPSS rescore
  22. 2026-06-30 02:30 UTCEG score recompute
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 13:41 UTCEG score recompute
  25. 2026-06-28 20:08 UTCEG score recompute
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  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 07:20 UTCEG score recompute
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-27 18:24 UTCEG score recompute
  5. 2026-06-27 05:35 UTCEG score recompute
  6. 2026-06-27 03:08 UTCEPSS rescore
  7. 2026-06-26 16:46 UTCEG score recompute
  8. 2026-06-25 20:54 UTCEG score recompute
  9. 2026-06-25 13:49 UTCEPSS rescore
  10. 2026-06-25 13:49 UTCEPSS rescore
  11. 2026-06-25 08:04 UTCEG score recompute
  12. 2026-06-24 16:36 UTCEG score recompute
  13. 2026-06-24 14:05 UTCEPSS rescore
  14. 2026-06-23 21:33 UTCEPSS rescore
  15. 2026-06-22 14:25 UTCEPSS rescore
  16. 2026-06-22 14:25 UTCEPSS rescore
  17. 2026-06-21 14:56 UTCEPSS rescore
  18. 2026-06-21 14:56 UTCEPSS rescore
  19. 2026-06-21 01:59 UTCEPSS rescore
  20. 2026-06-19 19:25 UTCEPSS rescore
  21. 2026-06-19 00:24 UTCEG score recompute
  22. 2026-06-18 17:52 UTCEPSS rescore
  23. 2026-06-18 17:52 UTCEPSS rescore
  24. 2026-06-17 18:04 UTCEG score recompute
  25. 2026-06-17 17:53 UTCEPSS rescore
  26. 2026-06-17 04:44 UTCEG score recompute
  27. 2026-06-16 17:52 UTCEPSS rescore
  28. 2026-06-16 15:38 UTCEG score recompute
  29. 2026-06-16 01:44 UTCEG score recompute
  30. 2026-06-15 17:49 UTCEPSS rescore
  31. 2026-06-15 12:54 UTCEG score recompute
  32. 2026-06-14 22:09 UTCEG score recompute
  33. 2026-06-14 09:21 UTCEG score recompute
  34. 2026-06-13 23:00 UTCEPSS rescore
  35. 2026-06-13 20:32 UTCEG score recompute
  36. 2026-06-13 07:41 UTCEG score recompute
  37. 2026-06-12 23:12 UTCEPSS rescore
  38. 2026-06-12 23:12 UTCEPSS rescore
  39. 2026-06-12 18:50 UTCEG score recompute
  40. 2026-06-12 06:02 UTCEG score recompute
  41. 2026-06-11 17:13 UTCEG score recompute
  42. 2026-06-11 14:00 UTCEPSS rescore
  43. 2026-06-11 04:24 UTCEG score recompute
  44. 2026-06-10 22:18 UTCEPSS rescore
  45. 2026-06-10 15:36 UTCEG score recompute
  46. 2026-06-10 13:22 UTCEPSS rescore
  47. 2026-06-10 13:22 UTCEPSS rescore
  48. 2026-06-10 02:48 UTCEG score recompute
  49. 2026-06-09 14:00 UTCEG score recompute
  50. 2026-06-09 01:12 UTCEG score recompute▼ 0.80
  51. 2026-06-08 23:31 UTCNVD updateCVSS v3 → 7.8
  52. 2026-06-08 14:17 UTCEPSS rescore
  53. 2026-06-08 14:17 UTCEPSS rescore
  54. 2026-06-08 12:23 UTCEG score recompute
  55. 2026-06-07 23:35 UTCEG score recompute
  56. 2026-06-07 15:25 UTCEPSS rescore
  57. 2026-06-07 15:25 UTCEPSS rescore
  58. 2026-06-07 10:47 UTCEG score recompute
  59. 2026-06-06 21:59 UTCEG score recompute
  60. 2026-06-06 13:47 UTCEPSS rescore
  61. 2026-06-06 13:47 UTCEPSS rescore
  62. 2026-06-06 09:11 UTCEG score recompute
  63. 2026-06-05 22:47 UTCEPSS rescore
  64. 2026-06-05 20:23 UTCEG score recompute
  65. 2026-06-05 07:35 UTCEG score recompute
  66. 2026-06-05 06:10 UTCEPSS rescore
  67. 2026-06-05 06:10 UTCEPSS rescore
  68. 2026-06-04 18:46 UTCEG score recompute
  69. 2026-06-04 13:12 UTCEPSS rescore
  70. 2026-06-04 13:12 UTCEPSS rescore
  71. 2026-06-04 05:58 UTCEG score recompute
  72. 2026-06-03 17:10 UTCEG score recompute
  73. 2026-06-03 04:21 UTCEG score recompute
  74. 2026-06-02 20:13 UTCEPSS rescore
  75. 2026-06-02 15:32 UTCEG score recompute

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Frequently asked(5)

What is CVE-2026-44463?
CVE-2026-44463 is a high vulnerability published on May 28, 2026. Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed by prepending environment variable assignments to allowlisted commands, hijacking program behavior (e.g., PAGER) to execute arbitrary code. This vulnerability is fixed in 0.229.0.
When was CVE-2026-44463 disclosed?
CVE-2026-44463 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on June 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44463 actively exploited?
CVE-2026-44463 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-44463?
CVE-2026-44463 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-44463?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44463, 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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