CVE-2026-53836

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-13. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

OpenClaw before 2026.5.12 contains an allowlist bypass vulnerability in PowerShell encoded-command handling that allows attackers to execute encoded commands using abbreviated flag aliases not recognized by the allowlist parser. Remote authenticated operators can bypass execution allowlist checks by using unrecognized encoded-command alias forms to execute arbitrary PowerShell content.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
—
EPSS
36.7%
KEV
Not listed

Published

June 12, 2026

Last Modified

June 16, 2026

Advisory Details (2)

Auto-updated Jun 12, 2026
Patch available. Sources: github.
generic

OpenClaw < 2026.5.12 - Allowlist Bypass via PowerShell Encoded-Command Aliases | Advisories | VulnCheck

https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-powershell-encoded-command-aliases
github Patch Available

PowerShell encoded-command aliases could miss exec allowlist checks · Advisory · openclaw/openclaw · GitHub

https://github.com/openclaw/openclaw/security/advisories/GHSA-j472-gf56-x589

Vendor Advisories for CVE-2026-53836(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)
npm(1)
PackageVulnerable rangeFixed inDependents
openclaw—2026.5.12—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 87× 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 125 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-53836?
CVE-2026-53836 is a high vulnerability published on June 12, 2026. OpenClaw before 2026.5.12 contains an allowlist bypass vulnerability in PowerShell encoded-command handling that allows attackers to execute encoded commands using abbreviated flag aliases not recognized by the allowlist parser. Remote authenticated operators can bypass execution allowlist checks…
When was CVE-2026-53836 disclosed?
CVE-2026-53836 was first published in the National Vulnerability Database on June 12, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53836 actively exploited?
CVE-2026-53836 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-53836?
CVE-2026-53836 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-53836?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53836, 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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