How severe is CVE-2026-50887?

CVE-2026-50887 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-50887 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-50887?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-50887 have an EU (EUVD) identifier?

Yes. CVE-2026-50887 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36785.

When was CVE-2026-50887 published?

CVE-2026-50887 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-50887

CVE-2026-50887 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36785
Weakness: CWE-918
Published: 2026-06-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-50887?: 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.
How severe is CVE-2026-50887?: CVE-2026-50887 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-50887 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-50887?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-50887 have an EU (EUVD) identifier?: Yes. CVE-2026-50887 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36785.
When was CVE-2026-50887 published?: CVE-2026-50887 was published on 2026-06-15 and last updated on 2026-06-17.

References

https://gist.github.com/pyuysig/9de95fb39eb089a4346570d791af99a6

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