CVE-2026-7397

MEDIUMNVD 4.44.4—
EchelonGraph scoreMEDIUM confidence

Score 4.4 from GitHub Security Advisory (severity: LOW) published 2026-04-29. NVD baseline CVSS 4.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
4.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.4Exploit: Elevated riskExposed: 0

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

A security flaw has been discovered in NousResearch hermes-agent 0.8.0. This affects the function _check_sensitive_path of the file tools/file_tools.py. The manipulation results in symlink following. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. Upgrading to version 0.9.0 is able to mitigate this issue. The patch is identified as 311dac197145e19e07df68feba2cd55d896a3cd1. Upgrading the affected component is recommended.

CVSS v3
4.4
EG Score
4.4(medium)
EG Risk
36(Track)
EG Risk 36/100SSVC: 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
Severity44% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

April 29, 2026

Last Modified

April 29, 2026

Advisory Details (5)

Auto-updated Aug 2, 2026
🔬 Proof of concept available. Patch available. Sources: github_release, github_commit, github_pr.
github_release Patch Available

Hermes Agent v0.9.0 (v2026.4.13)

Patch available: NousResearch/hermes-agent v2026.4.13

https://github.com/NousResearch/hermes-agent/releases/tag/v2026.4.13
github_pr

fix(file_tools): block sensitive paths before and after symlink resol…

Upstream fix in progress (PR #8829 · NousResearch/hermes-agent, state=closed)

https://github.com/NousResearch/hermes-agent/pull/8829
generic🟡 PoC Available

Path Write Protection Bypass via `/private/etc` Symlink · Issue #8734 · NousResearch/hermes-agent · GitHub

https://github.com/NousResearch/hermes-agent/issues/8734
github_commit

commit 311dac197145 (NousResearch/hermes-agent)

Fix landed in NousResearch/hermes-agent commit 311dac197145 — awaiting tagged release

https://github.com/NousResearch/hermes-agent/commit/311dac197145e19e07df68feba2cd55d896a3cd1
generic

GitHub - NousResearch/hermes-agent: The agent that grows with you · GitHub

https://github.com/NousResearch/hermes-agent/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 31× 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 170 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-7397?
CVE-2026-7397 is a medium vulnerability published on April 29, 2026. A security flaw has been discovered in NousResearch hermes-agent 0.8.0. This affects the function checksensitivepath of the file tools/filetools.py. The manipulation results in symlink following. Attacking locally is a requirement. The exploit has been released to the public and may be used for…
When was CVE-2026-7397 disclosed?
CVE-2026-7397 was first published in the National Vulnerability Database on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-7397 actively exploited?
CVE-2026-7397 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 96.5% of all scored CVEs.
What is the CVSS score of CVE-2026-7397?
CVE-2026-7397 has a CVSS v3 base score of 4.4 (NVD).
How do I remediate CVE-2026-7397?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7397, 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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