Server-Side Request Forgery (SSRF) in pandoc - CVE-2025-51591
Published: September 24, 2025 / Updated: January 16, 2026
Vulnerability identifier: #VU116079
CSH Severity: High
CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-51591
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
pandoc
Fedora
pandoc
pandoc-cli
Fedora
pandoc
pandoc-cli
How to mitigate CVE-2025-51591
Install updates from vendor's website.
pandoc - update to 3.6.4
pandoc - addressed in versions 3.1.11.1-33.fc42, 3.1.11.1-34.fc41
pandoc-cli - update to 3.1.11.1-34.1.fc41
pandoc - addressed in versions 3.1.11.1-33.fc42, 3.1.11.1-34.fc41
pandoc-cli - update to 3.1.11.1-34.1.fc41