praisonaiagents: ast_grep_rewrite rewrites arbitrary files without the @require_approval gate enforced on every sibling mutation tool

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS

6.1 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

EPSS

• CVE-2026-55530: 0.17% estimated exploitation activity in the next 30 days; percentile 5.88 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Target: PraisonAI (MervinPraison/PraisonAI) Affected component: praisonaiagents/tools/astgreptool.py — astgreprewrite Affected versions: master at ce97667156a116c50b4a3d1aa21e09f048903fda; reproduced against the current praisonaiagents PyPI release (praisonaiagents <= 1.6.52). Summary Tools in praisonaiagents/tools/ that modify on-disk state or run code are uniformly wrapped with @requireapproval, which routes the call through an interactive approval flow before the body runs and fails closed — on denial (or with no approval backend configured) it raises PermissionError and the side effect does not occur. This is applied at every sibling mutation entry point: | File | Line | Symbol | Risk level | |---|---|---|---| | filetools.py | 212 | copyfile | high | | filetools.py | 239 | movefile | high | | filetools.py | 266 | deletefile | high | | edittools.py | 38 | EditTools.editfile | high | | edittools.py | 155 | editfile | high | | shelltools.py | 32 | executecommand | critical | |…

Published by the source

25 Aug 2026, 14:46 UTC

Last modified by the source

25 Aug 2026, 14:46 UTC

Source last checked

26 Oct 2026, 13:50 UTC

1. Revision 1 · created · 26 Oct 2026

   Published from ghsa record GHSA-cfxv-8fw8-rwpv

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# Patch Next advisory brief: CVE-2026-55530

Advisory: praisonaiagents: ast_grep_rewrite rewrites arbitrary files without the @require_approval gate enforced on every sibling mutation tool
IDs: CVE-2026-55530, GHSA-cfxv-8fw8-rwpv
Record: https://patchnext.com/advisories/cve-2026-55530 (revision 1, source checked 26 Oct 2026, 13:50 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: praisonaiagents 1.6.58. A vendor fix does not mean a deployment is fixed.

## Affected components
- PyPI praisonaiagents: affected < 1.6.58; fixed in 1.6.58

## Suggested inspection (read-only)
- `python -m pip show praisonaiagents`: 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.
- 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://github.com/advisories/GHSA-cfxv-8fw8-rwpv (GitHub-reviewed advisory GHSA-cfxv-8fw8-rwpv lists affected ranges: PyPI praisonaiagents >=0 <1.6.58)

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