CVE-2026-58168

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-30. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

DeepTutor before version 1.4.10 contains an authorization bypass vulnerability that allows low-privilege users to invoke unrestricted MCP tools due to the allowed_mcp_tools function returning None instead of a denied result when mcp_tools is omitted from a user's grant in deeptutor/multi_user/tool_access.py. Attackers or prompt-injected content acting within a user session can enumerate and invoke any configured MCP tool, including filesystem, shell, and browser servers, gaining unauthorized access to sensitive deployment resources.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
56(Track*)
EG Risk 56/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
34%
KEV
Not listed

Published

June 30, 2026

Last Modified

July 14, 2026

Advisory Details (4)

Auto-updated Jun 30, 2026
Patch available. Sources: github_commit, github_pr, github_release.
github_pr Patch Available

[security] fix(multi-user): deny MCP tools until explicitly granted

Patch available: HKUDS/DeepTutor v1.4.10 (PR #579 merged 2026-06-21)

https://github.com/HKUDS/DeepTutor/pull/579
generic

DeepTutor < 1.4.10 - Insecure Default Grants Unrestricted MCP Tool Access to Non-Admin Users | Advisories | VulnCheck

https://www.vulncheck.com/advisories/deeptutor-insecure-default-grants-unrestricted-mcp-tool-access-to-non-admin-users
github_release Patch Available

v1.4.10

Patch available: HKUDS/DeepTutor v1.4.10

https://github.com/HKUDS/DeepTutor/releases/tag/v1.4.10
github_commit Patch Available

commit 90046374b3dc (HKUDS/DeepTutor)

Patch available: HKUDS/DeepTutor v1.4.10 (contains commit 90046374b3dc)

https://github.com/HKUDS/DeepTutor/commit/90046374b3dcd4f8a866d2d64a64440bc08eb2ef

Vendor Advisories for CVE-2026-58168(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 24× in last 7d / 91× 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 104 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-58168?
CVE-2026-58168 is a high vulnerability published on June 30, 2026. DeepTutor before version 1.4.10 contains an authorization bypass vulnerability that allows low-privilege users to invoke unrestricted MCP tools due to the allowedmcptools function returning None instead of a denied result when mcptools is omitted from a user's grant in…
When was CVE-2026-58168 disclosed?
CVE-2026-58168 was first published in the National Vulnerability Database on June 30, 2026, with the most recent update 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-2026-58168 actively exploited?
CVE-2026-58168 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 66.1% of all scored CVEs.
What is the CVSS score of CVE-2026-58168?
CVE-2026-58168 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-58168?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58168, 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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