CVE-2026-55530 praisonaiagents: ast_grep_rewrite rewrites arbitrary files without the @require_approval gate enforced on every sibling mutation tool
Attackers can modify arbitrary files via the ast_grep_rewrite tool in PraisonAI because it bypasses the required approval gate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-55530?
CVE-2026-55530 is a medium-severity missing authorization vulnerability in MervinPraison PraisonAI, published on 25 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, ast_grep_rewrite lacks the @require_approval decorator used by sibling mutation tools. With dry_run=False, an agent-controlled call can pass --update-all and a broad path to rewrite matching files without the expected authorization gate. This issue is fixed in version 1.6.58.
Weakness: CWE-862
Which versions are affected by CVE-2026-55530?
3 open source packages ship an affected version, including praisonaiagents.
| Package | Affected | Fixed in |
|---|---|---|
praisonaiagents PyPI | All versions | 1.6.58 |
praisonaiagents PyPI | All versions | 1.6.58 |
praisonaiagents PyPI | All versions | 1.6.58 |
How do I fix CVE-2026-55530?
Upgrade praisonaiagents to 1.6.58 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-55530 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-55530 exists.
Sources
Also known as GHSA-cfxv-8fw8-rwpv, PYSEC-2026-3901.