CVE-2026-17530

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH 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: ghsa, secondary
Trending — 4 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: —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(high)
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
—
EPSS %ILE
—
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 11× in last 7d / 11× 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.

  1. 2026-07-27 20:39 UTCGHSA enrichment
  2. 2026-07-27 19:30 UTCEG score recompute
  3. 2026-07-27 19:30 UTCGHSA enrichment
  4. 2026-07-27 19:27 UTCNVD updateCVSS v4 → 2.1
  5. 2026-07-27 19:06 UTCEG score recompute
  6. 2026-07-27 19:06 UTCGHSA enrichment
  7. 2026-07-27 18:49 UTCMITRE cvelistV5CVSS v4 → 5.3
  8. 2026-07-27 16:24 UTCEG score recompute
  9. 2026-07-27 16:24 UTCNVD updateCVSS v4 → 2.1
  10. 2026-07-27 16:16 UTCEG score recompute
  11. 2026-07-27 16:16 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(4)

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.
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.

Dependency Blast Radius

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