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: 0.1%, top 95% 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
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: NoneExposed: 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)
EPSS
4.6%
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 21× in last 7d / 45× 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. 2026-07-13 06:13 UTCEPSS rescore
  2. 2026-07-13 06:13 UTCEPSS rescore
  3. 2026-07-12 23:46 UTCEG score recompute
  4. 2026-07-12 05:46 UTCEPSS rescore
  5. 2026-07-12 02:07 UTCEG score recompute
  6. 2026-07-11 08:27 UTCEPSS rescore
  7. 2026-07-11 08:27 UTCEPSS rescore
  8. 2026-07-11 04:25 UTCEG score recompute
  9. 2026-07-10 06:45 UTCEG score recompute
  10. 2026-07-09 19:10 UTCEPSS rescore
  11. 2026-07-09 19:10 UTCEPSS rescore
  12. 2026-07-09 09:04 UTCEG score recompute
  13. 2026-07-08 15:16 UTCEPSS rescore
  14. 2026-07-08 15:16 UTCEPSS rescore
  15. 2026-07-08 11:24 UTCEG score recompute
  16. 2026-07-07 13:46 UTCEPSS rescore
  17. 2026-07-07 13:46 UTCEPSS rescore
  18. 2026-07-07 13:45 UTCEG score recompute
  19. 2026-07-06 16:27 UTCEPSS rescore
  20. 2026-07-06 16:27 UTCEPSS rescore
  21. 2026-07-06 16:06 UTCEG score recompute
  22. 2026-07-06 02:23 UTCEPSS rescore
  23. 2026-07-06 02:23 UTCEPSS rescore
  24. 2026-07-05 18:21 UTCEG score recompute
  25. 2026-07-05 02:31 UTCEPSS rescore
Show 20 more
  1. 2026-07-05 02:30 UTCEPSS rescore
  2. 2026-07-04 20:40 UTCEG score recompute
  3. 2026-07-04 06:31 UTCEPSS rescore
  4. 2026-07-04 06:31 UTCEPSS rescore
  5. 2026-07-03 22:59 UTCEG score recompute
  6. 2026-07-03 01:18 UTCEG score recompute
  7. 2026-07-02 03:38 UTCEG score recompute
  8. 2026-07-01 15:07 UTCEPSS rescore
  9. 2026-07-01 05:58 UTCEG score recompute
  10. 2026-06-30 23:22 UTCEPSS rescore
  11. 2026-06-30 08:19 UTCEG score recompute
  12. 2026-06-29 14:06 UTCEPSS rescore
  13. 2026-06-29 10:40 UTCEG score recompute
  14. 2026-06-28 14:07 UTCEPSS rescore
  15. 2026-06-28 13:00 UTCEG score recompute
  16. 2026-06-28 04:56 UTCEPSS rescore
  17. 2026-06-28 04:56 UTCEPSS rescore
  18. 2026-06-27 15:21 UTCEG score recompute
  19. 2026-06-26 17:41 UTCEG score recompute
  20. 2026-06-26 17:41 UTCNVD updatefirst tracked

Related CVEs(same CWE)

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 4.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-56823

Explore →

Is Your Infrastructure Affected by CVE-2026-56823?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs