CVE-2026-55524 Details
Description
PraisonAI is a multi-agent teams system. In versions prior to 1.6.58, the web_crawl tool performs its SSRF check only on the initially supplied URL, allowing the protection to be bypassed so the tool connects to attacker-chosen internal destinations. The check resolves the hostname once with socket.gethostbyname and rejects private/loopback/link-local results, but then passes the URL to a fetcher using httpx.Client(follow_redirects=True) (or urllib.request.urlopen when httpx is absent, which also follows redirects) that re-resolves the hostname at connect time with no further validation. This validate-here/fetch-there gap is exploitable through both HTTP redirects and DNS rebinding. If an attacker can influence URLs passed to web_crawl(), directly or through an agent/tool workflow, they can cause the PraisonAI host to fetch loopback, private-network, or cloud metadata endpoints reachable from that host, with the response body returned in the web_crawl() result. This issue has been fixed in version 1.6.58.
A server-side request forgery (SSRF) vulnerability has been identified in the PraisonAI web crawl tool, affecting versions prior to 1.6.58. The vulnerability arises because the tool's SSRF check only validates the initial URL, allowing attackers to bypass this protection and connect to internal destinations of their choice. The tool resolves the hostname once and rejects private or loopback addresses, but then passes the URL to a fetcher that follows redirects and re-resolves the hostname without additional validation. This gap can be exploited through HTTP redirects or DNS rebinding, enabling access to internal HTTP services and cloud metadata endpoints from the PraisonAI host.
Users are advised to update to PraisonAI version 1.6.58 or later. Additionally, the web crawl tool should be modified to validate and pin the resolved IP address before making a connection, disable redirect following or re-validate each redirect hop's resolved IP, and apply the denial check to both the validation and the actual socket target.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Aug 5, 2026CISA-ADP
Assessed Aug 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-vg6p-v9vm-6fgj | CISA-ADP | AdvisoryExploitRemedyVendor |
| https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-vg6p-v9vm-6fgj | [email protected] | AdvisoryExploitRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-367 | Time-of-check Time-of-use (TOCTOU) Race Condition | [email protected] |
| CWE-918 | Server-Side Request Forgery (SSRF) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| PraisonAI | <= 1.6.52 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 6, 2026 | CVE Modified | CISA-ADP |
| Aug 5, 2026 | New CVE Received | [email protected] |