CVE-2026-41338

MEDIUMNVD 5.05.0—
EchelonGraph scoreMEDIUM confidence

Score 5.0 from GitHub Security Advisory published 2026-04-24. NVD baseline CVSS 5.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.0Exploit: None knownExposed: 0

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

OpenClaw before 2026.3.31 contains a time-of-check-time-of-use vulnerability in sandbox file operations that allows attackers to bypass fd-based defenses. Attackers can exploit check-then-act patterns in apply_patch, remove, and mkdir operations to manipulate files between validation and execution.

CVSS v3
5.0
EG Score
5.0(medium)
EG Risk
23(Track)
EG Risk 23/100SSVC: 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
Severity50% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

April 23, 2026

Last Modified

April 28, 2026

Advisory Details (3)

Auto-updated Aug 2, 2026
Patch available. Sources: github_commit, github.
generic

OpenClaw < 2026.3.31 - Time-of-Check-Time-of-Use (TOCTOU) Vulnerability in Sandbox File Operations | Advisories | VulnCheck

https://www.vulncheck.com/advisories/openclaw-time-of-check-time-of-use-toctou-vulnerability-in-sandbox-file-operations
github Patch Available

Sandbox file operations use check-then-act, bypassing fd-based TOCTOU defenses · Advisory · openclaw/openclaw · GitHub

https://github.com/openclaw/openclaw/security/advisories/GHSA-rm5c-4rmf-vvhw
github_commit

commit 32a4a47d602e (openclaw/openclaw)

Fix landed in openclaw/openclaw commit 32a4a47d602e — awaiting tagged release

https://github.com/openclaw/openclaw/commit/32a4a47d602e0618f87b3e59f94d8c142767f860

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
openclaw—2026.3.31—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 18× 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 133 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-41338?
CVE-2026-41338 is a medium vulnerability published on April 23, 2026. OpenClaw before 2026.3.31 contains a time-of-check-time-of-use vulnerability in sandbox file operations that allows attackers to bypass fd-based defenses. Attackers can exploit check-then-act patterns in apply_patch, remove, and mkdir operations to manipulate files between validation and execution.
When was CVE-2026-41338 disclosed?
CVE-2026-41338 was first published in the National Vulnerability Database on April 23, 2026, with the most recent update on April 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41338 actively exploited?
CVE-2026-41338 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 99.6% of all scored CVEs.
What is the CVSS score of CVE-2026-41338?
CVE-2026-41338 has a CVSS v3 base score of 5.0 (NVD).
How do I remediate CVE-2026-41338?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41338, 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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