How severe is CVE-2025-27155?

CVE-2025-27155 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-27155 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-27155?

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

Does CVE-2025-27155 have an EU (EUVD) identifier?

Yes. CVE-2025-27155 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7732.

When was CVE-2025-27155 published?

CVE-2025-27155 was published on 2025-03-04 and last updated on 2026-06-17.

CVE-2025-27155

CVE-2025-27155 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7732
Weakness: CWE-79
Published: 2025-03-04
Last modified: 2026-06-17

Description

Pinecone is an experimental overlay routing protocol suite which is the foundation of the current P2P Matrix demos. The Pinecone Simulator (pineconesim) included in Pinecone up to commit ea4c337 is vulnerable to stored cross-site scripting. The payload storage is not permanent and will be wiped when restarting pineconesim.

Frequently asked questions

What is CVE-2025-27155?: Pinecone is an experimental overlay routing protocol suite which is the foundation of the current P2P Matrix demos. The Pinecone Simulator (pineconesim) included in Pinecone up to commit ea4c337 is vulnerable to stored cross-site scripting. The payload storage is not permanent and will be wiped when restarting pineconesim.
How severe is CVE-2025-27155?: CVE-2025-27155 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-27155 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-27155?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27155 have an EU (EUVD) identifier?: Yes. CVE-2025-27155 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7732.
When was CVE-2025-27155 published?: CVE-2025-27155 was published on 2025-03-04 and last updated on 2026-06-17.

References

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