CVE-2026-15519 usestrix PyPI system_prompt.jinja inclusion of functionality from untrusted control sphere
Attackers can inject malicious code via untrusted Jinja templates in the usestrix strix library, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-15519?
CVE-2026-15519 is a low-severity code injection vulnerability in usestrix strix, published on 13 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability was found in usestrix strix up to 1.0.2. This affects an unknown function of the file system_prompt.jinja of the component PyPI Handler. Performing a manipulation results in inclusion of functionality from untrusted control sphere. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is reported as difficult. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-829
Which versions are affected by CVE-2026-15519?
How do I fix CVE-2026-15519?
No fix has been published for CVE-2026-15519 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-15519 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15519 exists.
Sources
Also known as GHSA-9x9x-v3ff-pj74.