Server-side Request Forgery Vulnerability in Dub by Dub Inc.
CVE-2026-72552

7.5HIGH

Key Information:

Vendor

Dub

Status
Dub
Vendor
CVE Published:
11 August 2026

What is CVE-2026-72552?

A server-side request forgery vulnerability exists in Dub that allows unauthenticated remote attackers to issue HTTP requests to arbitrary internal or external hosts. This vulnerability can be exploited through the metatags edge endpoint, which fails to implement proper URL filtering or authentication requirements. As a result, attackers can scan internal services or exfiltrate sensitive data from cloud metadata endpoints using arbitrary caller-supplied URLs.

Affected Version(s)

Dub 0 <= 2026-07-10

References

https://github.com/dubinc/dub

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bobur Abdugafforov
.