How severe is CVE-2025-27146?

CVE-2025-27146 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-27146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27146?

CVE-2025-27146 affects Matrix Matrix Irc Bridge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27146?

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

Does CVE-2025-27146 have an EU (EUVD) identifier?

Yes. CVE-2025-27146 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5368.

When was CVE-2025-27146 published?

CVE-2025-27146 was published on 2025-02-25 and last updated on 2026-06-17.

CVE-2025-27146

CVE-2025-27146 is a low-severity vulnerability in Matrix Matrix Irc Bridge with a CVSS 3.x base score of 2.7. 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-77.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-5368
Weakness: CWE-77
Affected product: Matrix Matrix Irc Bridge
Published: 2025-02-25
Last modified: 2026-06-17

Description

matrix-appservice-irc is a Node.js IRC bridge for Matrix. The matrix-appservice-irc bridge up to version 3.0.3 contains a vulnerability which can lead to arbitrary IRC command execution as the puppeted user. The attacker can only inject commands executed as their own IRC user. The vulnerability has been patched in matrix-appservice-irc version 3.0.4.

Frequently asked questions

What is CVE-2025-27146?: matrix-appservice-irc is a Node.js IRC bridge for Matrix. The matrix-appservice-irc bridge up to version 3.0.3 contains a vulnerability which can lead to arbitrary IRC command execution as the puppeted user. The attacker can only inject commands executed as their own IRC user. The vulnerability has been patched in matrix-appservice-irc version 3.0.4.
How severe is CVE-2025-27146?: CVE-2025-27146 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-27146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27146?: CVE-2025-27146 affects Matrix Matrix Irc Bridge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27146?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27146 have an EU (EUVD) identifier?: Yes. CVE-2025-27146 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5368.
When was CVE-2025-27146 published?: CVE-2025-27146 was published on 2025-02-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:matrix:matrix_irc_bridge:*:*:*:*:*:node.js:*:*

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CVE-2022-39203 — High (CVSS 8.8): matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. Attackers can specify a specific string of…
CVE-2022-29166 — High (CVSS 8.0): matrix-appservice-irc is a Node.js IRC bridge for Matrix. The vulnerability in node-irc allows an attacker to…
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