CVE-2026-17530

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-07-27. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: 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 AstrBotDevs AstrBot up to 4.25.5. Affected by this vulnerability is the function _build_handoff_toolset of the file AstrBot/astrbot/core/astr_agent_tool_exec.py of the component Subagent. The manipulation results in incorrect authorization. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as d23011262e8e75e1ec41b0f1f0091493a022327e. A patch should be applied to remediate this issue.

CVSS v3
6.3
EG Score
6.3(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 27, 2026

Advisory Details (4)

Auto-updated Jul 27, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

GitHub - AstrBotDevs/AstrBot: AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨ · GitHub

https://github.com/AstrBotDevs/AstrBot/
github_commit

commit d23011262e8e (AstrBotDevs/AstrBot)

Fix landed in AstrBotDevs/AstrBot commit d23011262e8e — awaiting tagged release

https://github.com/AstrBotDevs/AstrBot/commit/d23011262e8e75e1ec41b0f1f0091493a022327e
github_pr

fix(core): enforce persona tool boundaries

Fix merged in AstrBotDevs/AstrBot PR #8786 on 2026-06-18 — awaiting tagged release

https://github.com/AstrBotDevs/AstrBot/pull/8786
generic

[Security] AstrBot subagent `tools=null` handoff bypass lets member users invoke admin-restricted MCP tools · Issue #8781 · AstrBotDevs/AstrBot · GitHub

https://github.com/AstrBotDevs/AstrBot/issues/8781

Vendor Advisories for CVE-2026-17530(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 67× 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 130 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-17530?
CVE-2026-17530 is a medium vulnerability published on July 27, 2026. A security flaw has been discovered in AstrBotDevs AstrBot up to 4.25.5. Affected by this vulnerability is the function buildhandofftoolset of the file AstrBot/astrbot/core/astragenttoolexec.py of the component Subagent. The manipulation results in incorrect authorization. The attack may be…
When was CVE-2026-17530 disclosed?
CVE-2026-17530 was first published in the National Vulnerability Database on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17530 actively exploited?
CVE-2026-17530 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 88.1% of all scored CVEs.
What is the CVSS score of CVE-2026-17530?
CVE-2026-17530 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-17530?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-17530, 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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