CVE-2026-15621

MEDIUMPre-NVD 5.35.3
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-07-14. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

A vulnerability was detected in mosaxiv clawlet up to 0.2.10. This impacts the function read_file/write_file/edit_file of the file tools/fs_ops.go of the component File Tools. Performing a manipulation results in link following. The attack needs to be approached locally. The reported GitHub issue was closed with the label "not planned".

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
7%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jul 14, 2026
No patch confirmed yet.
generic

[Security] `clawlet` workspace restriction can be bypassed via hardlink aliases in file tools · Issue #15 · mosaxiv/clawlet · GitHub

https://github.com/mosaxiv/clawlet/issues/15
generic

GitHub - mosaxiv/clawlet: Ultra-lightweight and efficient personal AI assistant · GitHub

https://github.com/mosaxiv/clawlet/

Vendor Advisories for CVE-2026-15621(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 14× in last 7d / 74× 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 105 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-15621?
CVE-2026-15621 is a medium vulnerability published on July 14, 2026. A vulnerability was detected in mosaxiv clawlet up to 0.2.10. This impacts the function readfile/writefile/editfile of the file tools/fsops.go of the component File Tools. Performing a manipulation results in link following. The attack needs to be approached locally. The reported GitHub issue was…
When was CVE-2026-15621 disclosed?
CVE-2026-15621 was first published in the National Vulnerability Database on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15621 actively exploited?
CVE-2026-15621 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 93.3% of all scored CVEs.
What is the CVSS score of CVE-2026-15621?
CVE-2026-15621 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-15621?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15621, 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

Explore the affected products and dependency analysis for CVE-2026-15621

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