PraisonAI CLI automatically resolves @url mentions in prompt text and can read loopback URLs into model context
CVE-2026-47395GHSA-5cxw-77wg-jrf3
What to do
Vendor fix available. Upgrade each affected package to the fixed version on its release line (praisonaiagents 1.6.40; praisonai 4.6.40), redeploy, then verify what is actually installed.
This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.
Affected packages
PyPI praisonaiagents
- Affected
- <= 1.6.39
- Fixed in
- 1.6.40
PyPI praisonai
- Affected
- <= 4.6.39
- Fixed in
- 4.6.40
Sources
- Open Source Vulnerabilities (OSV.dev), including the GitHub Advisory Database
OSV record GHSA-5cxw-77wg-jrf3 lists affected ranges: PyPI praisonaiagents >=0 =0 <4.6.40 (fixed)
VerifiedObserved Structured OSV record; GitHub-reviewed advisory.
- GitHub Advisory Database and maintainer security advisories on GitHub
GitHub-reviewed advisory GHSA-5cxw-77wg-jrf3 lists affected ranges: PyPI praisonaiagents >=0 =0 <=4.6.39
VerifiedObserved Structured GitHub Advisory Database record (type=reviewed) from the GitHub REST API.
Severity and exploitation
- Exploitation
- No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
- CVSS
- 5.5 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- CVE-2026-47395: 0.18% estimated exploitation activity in the next 30 days; percentile 7.95 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description
As published by the source; long descriptions are shortened.
Summary PraisonAI's direct-prompt CLI automatically expands @url: mentions in raw prompt text before agent execution begins. If a prompt contains @url:<http-or-https-url, the CLI calls MentionsParser.process(...). The @url: handler then performs a direct urllib.request.urlopen() request to the attacker-controlled URL and returns the response body. That response body is prepended to the final model prompt context. There is no loopback/private-address restriction, no metadata-service restriction, and no approval gate before the fetch. As a result, attacker-influenced prompt text can cause the operator's machine to fetch localhost-only HTTP resources and inject the response into model context. Example: This causes PraisonAI to make an HTTP request to the local machine and prepend the fetched response body to the prompt that the model receives. This is a narrow local SSRF / local content disclosure issue in automatic prompt preprocessing. It is not a remote server takeover. Details The…
Dates and revisions
- Published by the source
- Last modified by the source
- Source last checked
- Revision 2 · amended ·
Amended from ghsa record GHSA-5cxw-77wg-jrf3
- Revision 1 · created ·
Published from osv record GHSA-5cxw-77wg-jrf3
Agent brief
Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.
# Patch Next advisory brief: CVE-2026-47395 Advisory: PraisonAI CLI automatically resolves @url mentions in prompt text and can read loopback URLs into model context IDs: CVE-2026-47395, GHSA-5cxw-77wg-jrf3 Record: https://patchnext.com/advisories/cve-2026-47395 (revision 2, source checked 26 Oct 2026, 13:41 UTC) Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected. Severity: Medium (CVSS 5.5) Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV. Vendor response: Vendor fix available; fixed versions by package: praisonaiagents 1.6.40; praisonai 4.6.40. A vendor fix does not mean a deployment is fixed. ## Affected components - PyPI praisonaiagents: affected <= 1.6.39; fixed in 1.6.40 - PyPI praisonai: affected <= 4.6.39; fixed in 4.6.40 ## Suggested inspection (read-only) - `python -m pip show praisonaiagents`: prints the installed version. Run with the environment that serves production active. - `python -m pip show praisonai`: prints the installed version. Run with the environment that serves production active. ## Supported action Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version. ## Required regression checks - Run the test suite and a production build. - Exercise the features that depend on praisonaiagents, praisonai. - Repeat the inspection and confirm that only fixed versions remain installed. ## Rollback considerations - Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward. ## Unresolved questions - Which deployments run an affected version? - Exploitation status can change. Check again before lowering the priority. - Mark the work resolved only after the fixed version is verified in production. ## Sources - Verified: https://osv.dev/vulnerability/GHSA-5cxw-77wg-jrf3 (OSV record GHSA-5cxw-77wg-jrf3 lists affected ranges: PyPI praisonaiagents >=0 =0 <4.6.40 (fixed)) - Verified: https://github.com/advisories/GHSA-5cxw-77wg-jrf3 (GitHub-reviewed advisory GHSA-5cxw-77wg-jrf3 lists affected ranges: PyPI praisonaiagents >=0 =0 <=4.6.39) Commands are suggestions: review each one before running it.
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