TI-2026-40847 Aliases CVE-2026-56663

AutoGPT: SSRF-to-RCE Chain in `SendWebRequestBlock` via IP validation bypass and internal `pg-meta` access

HIGH 72CWE-918Published 2026-06-26 · Updated 2026-06-26

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. Prior to 0.6.52, an authenticated user can bypass the SSRF / private-IP protections in SendWebRequestBlock and reach internal network services. _is_ip_blocked() in backend/backend/util/request.py does not normalize IPv4-mapped IPv6 addresses before checking resolved IPs against the blocked IPv4 ranges, and does not block special-use ranges such as 100.64.0.0/10 (CGNAT, RFC 6598). A hostname that resolves to an IPv4-mapped IPv6 address therefore passes validation and the request reaches the embedded internal IPv4 endpoint. This affects all AutoGPT Platform deployments. This vulnerability is fixed in 0.6.52.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00282 20th percentileScored 2026-11-07

Fix Fixed AutoGPT (Significant-Gravitas): 0.6.52

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Significant-Gravitas	AutoGPT	before 0.6.52	0.6.52	Patch available	CNA

AutoGPT VendorSignificant-Gravitas Affected before 0.6.52 Fixed in 0.6.52 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:agpt:autogpt_platform::::::::	—	—	Significant-Gravitas

cpe:2.3:a:agpt:autogpt_platform:*:*:*:*:*:*:*:* Versions — — ·Significant-Gravitas

Remediation

Fix · CNA AutoGPT (Significant-Gravitas) Fixed in 0.6.52

Timeline

2026-10-02 Threatist record created from CVE-2026-56663

References

Other 1

https://github.com/Significant-Gravitas/AutoGPT/security/advisories/GHSA-8qc5-rhmg-r6r6

TI-2024-05646 Shell Command Denylist Bypass in significant-gravitas/autogpt CVSS 3.1CRITICAL 9.8
TI-2026-19981 AutoGPT is Vulnerable to RCE via Disabled Block Execution CVSS 4.0HIGH 8.6
TI-2025-23508 AutoGPT has a DoS vulnerability in MediaDurationBlock CVSS 4.0HIGH 8.7
TI-2025-23495 AutoGPT has a DoS vulnerability in ScreenshotWebPageBlock CVSS 4.0HIGH 8.7
TI-2025-23493 AutoGPT has a DoS vulnerability in FileStoreBlock with StepThroughItemsBlock CVSS 4.0HIGH 8.7
TI-2025-23471 AutoGPT has a DoS vulnerability in ReadRSSFeedBlock CVSS 4.0HIGH 8.7

See all 40 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences