CVE-2026-56823

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 84% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. Prior to , the POST /api/integrations/webhooks/{webhook_id}/ping endpoint fetches the target webhook by primary key alone without verifying that the webhook belongs to the authenticated user. Any authenticated user can supply an arbitrary webhook_id to confirm webhook existence, leak the webhook's OAuth provider type, and in some cases trigger a ping delivery on behalf of another user. This vulnerability is fixed in .

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 26, 2026

Advisory Details (1)

Auto-updated Jun 26, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

IDOR in Webhook Ping Endpoint Allows Enumeration and Cross-User Ping Triggering · Advisory · Significant-Gravitas/AutoGPT · GitHub

https://github.com/Significant-Gravitas/AutoGPT/security/advisories/GHSA-rq9m-xvc7-v9h6

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 51× 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. 2026-08-27 23:05 UTCEG score recompute
  2. 2026-08-27 14:25 UTCEPSS rescore
  3. 2026-08-26 14:46 UTCEPSS rescore
  4. 2026-08-25 13:49 UTCEPSS rescore
  5. 2026-08-25 02:37 UTCEG score recompute
  6. 2026-08-23 07:16 UTCEG score recompute
  7. 2026-08-23 00:19 UTCEPSS rescore
  8. 2026-08-22 09:32 UTCEG score recompute
  9. 2026-08-21 23:49 UTCEPSS rescore
  10. 2026-08-21 04:55 UTCEG score recompute
  11. 2026-08-20 22:55 UTCEPSS rescore
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  13. 2026-08-19 17:04 UTCEPSS rescore
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  25. 2026-08-12 22:07 UTCEG score recompute
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  1. 2026-08-12 13:51 UTCEPSS rescore
  2. 2026-08-12 00:28 UTCEG score recompute
  3. 2026-08-11 02:49 UTCEG score recompute
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 05:11 UTCEG score recompute
  6. 2026-08-09 13:46 UTCEPSS rescore
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  8. 2026-08-08 16:37 UTCEPSS rescore
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  20. 2026-08-01 04:16 UTCEPSS rescore
  21. 2026-07-31 06:35 UTCEG score recompute
  22. 2026-07-30 16:28 UTCEPSS rescore
  23. 2026-07-30 08:49 UTCEG score recompute
  24. 2026-07-30 01:30 UTCEPSS rescore
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  26. 2026-07-29 08:50 UTCEG score recompute
  27. 2026-07-28 15:37 UTCEPSS rescore
  28. 2026-07-28 10:01 UTCEG score recompute
  29. 2026-07-27 14:14 UTCEPSS rescore
  30. 2026-07-26 14:34 UTCEG score recompute
  31. 2026-07-24 14:18 UTCEPSS rescore
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  33. 2026-07-23 14:18 UTCEPSS rescore
  34. 2026-07-23 03:20 UTCEG score recompute
  35. 2026-07-22 14:08 UTCEPSS rescore
  36. 2026-07-21 15:25 UTCEPSS rescore
  37. 2026-07-20 17:08 UTCEPSS rescore
  38. 2026-07-19 14:31 UTCEPSS rescore
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  40. 2026-07-18 10:04 UTCEPSS rescore
  41. 2026-07-16 17:03 UTCEPSS rescore
  42. 2026-07-15 16:57 UTCEPSS rescore
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  44. 2026-07-15 02:00 UTCEPSS rescore
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  46. 2026-07-13 22:31 UTCEPSS rescore
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  49. 2026-07-12 05:46 UTCEPSS rescore
  50. 2026-07-11 08:27 UTCEPSS rescore
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  52. 2026-07-09 19:10 UTCEPSS rescore
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  54. 2026-07-08 15:16 UTCEPSS rescore
  55. 2026-07-08 15:16 UTCEPSS rescore
  56. 2026-07-07 13:46 UTCEPSS rescore
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  58. 2026-07-06 16:27 UTCEPSS rescore
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  60. 2026-07-06 02:23 UTCEPSS rescore
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  62. 2026-07-05 02:31 UTCEPSS rescore
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  67. 2026-06-30 23:22 UTCEPSS rescore
  68. 2026-06-29 14:06 UTCEPSS rescore
  69. 2026-06-28 14:07 UTCEPSS rescore
  70. 2026-06-28 04:56 UTCEPSS rescore
  71. 2026-06-28 04:56 UTCEPSS rescore
  72. 2026-06-26 17:41 UTCEG score recompute
  73. 2026-06-26 17:41 UTCNVD updatefirst tracked

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Frequently asked(5)

What is CVE-2026-56823?
CVE-2026-56823 is a medium vulnerability published on June 26, 2026. AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. Prior to , the POST /api/integrations/webhooks/{webhookid}/ping endpoint fetches the target webhook by primary key alone without verifying that the webhook belongs to the…
When was CVE-2026-56823 disclosed?
CVE-2026-56823 was first published in the National Vulnerability Database on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56823 actively exploited?
CVE-2026-56823 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 83.8% of all scored CVEs.
What is the CVSS score of CVE-2026-56823?
CVE-2026-56823 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-56823?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56823, 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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