CVE-2026-36045

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-05-27. NVD baseline CVSS 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.3Exploit: NoneExposed: 0

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

picoclaw <=v0.1.2 and earlier is vulnerable to OS command injection via the ExecTool component (pkg/tools/shell.go). The guardCommand() function attempts to restrict shell command execution using a denylist of 8 regular expressions, but the denylist is incomplete.

CVSS v3
7.3
EG Score
7.3(medium)
EPSS
67.5%
KEV
Not listed

Published

May 27, 2026

Last Modified

June 1, 2026

Advisory Details (2)

Auto-updated Jun 11, 2026
🔬 Proof of concept available. Patch available. Sources: github_release.
generic🟡 PoC Available

CVE-2026-36045: picoclaw ExecTool `guardCommand()` Incomplete Denylist leads to OS Command Injection · GitHub

https://gist.github.com/NucleiAv/41899be6266a9813840301577792ed68
github_release Patch Available

v0.1.2

Patch available: sipeed/picoclaw v0.1.2

https://github.com/sipeed/picoclaw/releases/tag/v0.1.2

Vendor Advisories for CVE-2026-36045(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/sipeed/picoclaw———

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 63× 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 161 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-36045?
CVE-2026-36045 is a high vulnerability published on May 27, 2026. picoclaw <=v0.1.2 and earlier is vulnerable to OS command injection via the ExecTool component (pkg/tools/shell.go). The guardCommand() function attempts to restrict shell command execution using a denylist of 8 regular expressions, but the denylist is incomplete.
When was CVE-2026-36045 disclosed?
CVE-2026-36045 was first published in the National Vulnerability Database on May 27, 2026, with the most recent update on June 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36045 actively exploited?
CVE-2026-36045 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-36045?
CVE-2026-36045 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-36045?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36045, 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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