CVE-2026-50887 shlink has a Server-Side Request Forgery issue
Attackers can scan internal resources by supplying a crafted longUrl to the automatic short URL title resolution component.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-50887?
CVE-2026-50887 is a critical server-side request forgery vulnerability in n/a, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Server-Side Request Forgery (SSRF) in the automatic short URL title resolution component of shlink v5.0.1 allows attackers to scan internal resources via supplying a crafted longUrl.
Weakness: CWE-918
Which versions are affected by CVE-2026-50887?
2 open source packages ship an affected version, including shlinkio/shlink.
| Package | Affected | Fixed in |
|---|---|---|
shlinkio/shlink Packagist | All versions to 5.0.1 | None |
shlinkio/shlink Packagist | All versions to 5.0.1 | None |
How do I fix CVE-2026-50887?
No fix has been published for CVE-2026-50887 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-2026-50887 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-50887 exists.
Sources
Also known as GHSA-p85r-x2wj-mxqj.