Missing Authorization in Paperclip - #VU141313
Published: August 8, 2026
Vulnerability identifier: #VU141313
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper access control in the local_trusted authentication and hostname validation logic when handling requests from a DNS-rebound origin. A remote attacker can lure a victim into opening a crafted webpage to execute arbitrary code.
User interaction is required to open a malicious webpage, and exploitation is limited to instances running in the default local_trusted mode.
Affected software
Paperclip
Remediation
Install security update from vendor's website.
Paperclip - update to 0.3.1