CVE-2026-15619 mosaxiv clawlet IPv4 tool_web_fetch.go web_fetch server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the web_fetch function to access internal resources or bypass security controls.
- 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-2026-15619?
CVE-2026-15619 is a medium-severity server-side request forgery vulnerability in mosaxiv clawlet, published on 14 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 weakness has been identified in mosaxiv clawlet up to 0.2.10. The impacted element is the function web_fetch of the file tools/tool_web_fetch.go of the component IPv4 Handler. This manipulation of the argument url causes server-side request forgery. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The reported GitHub issue was closed with the label "not planned".
Weakness: CWE-918
Which versions are affected by CVE-2026-15619?
How do I fix CVE-2026-15619?
No fix has been published for CVE-2026-15619 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-15619 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15619 exists.
Sources
Also known as GHSA-5293-6wqf-75gr.