How severe is CVE-2025-27156?

CVE-2025-27156 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-27156 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27156?

CVE-2025-27156 primarily affects Enalean Tuleap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-27156?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-27156 have an EU (EUVD) identifier?

Yes. CVE-2025-27156 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7733.

When was CVE-2025-27156 published?

CVE-2025-27156 was published on 2025-03-04 and last updated on 2026-06-17.

CVE-2025-27156

CVE-2025-27156 is a medium-severity vulnerability in Enalean Tuleap with a CVSS 3.x base score of 4.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7733
Weakness: CWE-79
Affected product: Enalean Tuleap
Published: 2025-03-04
Last modified: 2026-06-17

Description

Tuleap is an Open Source Suite to improve management of software developments and collaboration. The mass emailing features do not sanitize the content of the HTML emails. A malicious user could use this issue to facilitate a phishing attempt or to indirectly exploit issues in the recipients mail clients. This vulnerability is fixed in Tuleap Community Edition 16.4.99.1740567344 and Tuleap Enterprise Edition 16.4-6 and 16.3-11.

Frequently asked questions

What is CVE-2025-27156?: Tuleap is an Open Source Suite to improve management of software developments and collaboration. The mass emailing features do not sanitize the content of the HTML emails. A malicious user could use this issue to facilitate a phishing attempt or to indirectly exploit issues in the recipients mail clients. This vulnerability is fixed in Tuleap Community Edition 16.4.99.1740567344 and Tuleap Enterprise Edition 16.4-6 and 16.3-11.
How severe is CVE-2025-27156?: CVE-2025-27156 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-27156 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27156?: CVE-2025-27156 primarily affects Enalean Tuleap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-27156?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27156 have an EU (EUVD) identifier?: Yes. CVE-2025-27156 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7733.
When was CVE-2025-27156 published?: CVE-2025-27156 was published on 2025-03-04 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:enalean:tuleap:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:enalean:tuleap:*:*:*:*:community:*:*:*

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