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CVE-2026-50887 — Vulnerability in shlinkio/shlink — CVE Details

CRITICAL

shlink has a Server-Side Request Forgery issue

Published June 15, 2026Updated August 27, 2026Source: osv

Summary

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.

Advisory Timeline

  • First published June 15, 2026 (119 days ago).
  • Last revised August 27, 2026 — 73 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
shlinkio/shlink
packagist
v0.1.0, v0.2.0, v1.0.0, v1.1.0 (+147 more)Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-918
    Server-Side Request Forgery (SSRF)MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Frequently Asked Questions

What is CVE-2026-50887?
shlink has a Server-Side Request Forgery issue This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2026-50887?
CVE-2026-50887 affects shlinkio/shlink. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-50887 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-p85r-x2wj-mxqj

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