How severe is CVE-2025-27099?

CVE-2025-27099 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2025-27099 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27099?

CVE-2025-27099 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-2025-27099?

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

Does CVE-2025-27099 have an EU (EUVD) identifier?

Yes. CVE-2025-27099 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6011.

When was CVE-2025-27099 published?

CVE-2025-27099 was published on 2025-03-03 and last updated on 2026-06-17.

CVE-2025-27099

CVE-2025-27099 is a medium-severity vulnerability in Enalean Tuleap with a CVSS 3.x base score of 4.8. 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 4.8)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6011
Weakness: CWE-79
Affected product: Enalean Tuleap
Published: 2025-03-03
Last modified: 2026-06-17

Description

Tuleap is an Open Source Suite to improve management of software developments and collaboration. Tuleap allows cross-site scripting (XSS) via the tracker names used in the semantic timeframe deletion message. A tracker administrator with a semantic timeframe used by other trackers could use this vulnerability to force other tracker administrators to execute uncontrolled code. This vulnerability is fixed in Tuleap Community Edition 16.4.99.1740067916 and Tuleap Enterprise Edition 16.4-5 and 16.3-10.

Frequently asked questions

What is CVE-2025-27099?: Tuleap is an Open Source Suite to improve management of software developments and collaboration. Tuleap allows cross-site scripting (XSS) via the tracker names used in the semantic timeframe deletion message. A tracker administrator with a semantic timeframe used by other trackers could use this vulnerability to force other tracker administrators to execute uncontrolled code. This vulnerability is fixed in Tuleap Community Edition 16.4.99.1740067916 and Tuleap Enterprise Edition 16.4-5 and 16.3-10.
How severe is CVE-2025-27099?: CVE-2025-27099 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2025-27099 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27099?: CVE-2025-27099 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-2025-27099?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27099 have an EU (EUVD) identifier?: Yes. CVE-2025-27099 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6011.
When was CVE-2025-27099 published?: CVE-2025-27099 was published on 2025-03-03 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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