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CVE-2026-31974

3.0 · LOW

OpenProject is an open-source, web-based project management software.

Published Mar 11, 2026CWE-918EPSS 0.27%

Overview

CVE-2026-31974 is a low-severity vulnerability. It was published on March 11, 2026 and has a CVSS 3.1 base score of 3.0 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.0, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, OpenProject SMTP test endpoint (POST /admin/settings/mail_notifications) accepts arbitrary host and port values and exhibits measurable differences in response behaviour depending on whether the target IP exists and whether the port is open. An attacker with access can use these timing and error distinctions to map internal hosts and identify which services/ports are reachable. Similarly, you can create webhooks in OpenProject and point them to arbitrary IPs, resulting in the same kind of SSRF issue which allows attackers to scan the internal network. This vulnerability is fixed in 17.2.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/opf/openproject/security/advisories/GHSA-9wr7-j98g-2jh3

How CyberStrike helps

Frequently asked questions

What is CVE-2026-31974?

CVE-2026-31974 is a low-severity vulnerability. It was published on March 11, 2026 and has a CVSS 3.1 base score of 3.0 (LOW).

How severe is CVE-2026-31974?

This vulnerability has a CVSS 3.1 base score of 3.0, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-31974?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-31974?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-31974 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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