CVE-2026-50887
SSRF in shlink v5.0.1 enables internal resource scanning via crafted longUrl
Is CVE-2026-50887 being exploited?
Not confirmed. CVE-2026-50887 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-50887?
CVE-2026-50887 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-50887?
Not known from our data. No patch reference has been recorded for CVE-2026-50887, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-50887 affect?
CVE-2026-50887 affects shlink v5.0.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-50887?
Upgrade when available; validate inputs; restrict internal URL access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
SSRF allows internal resource access and data exposure; can enable lateral movement in misconfigured deployments.
Patch when possible