CVE-2025-49090

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.8% of scored records. A rank, not a probability.

NVD base score

7.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-10-02 00:00Z11 MO AGO

Last updated

2025-10-02 19:35Z11 MO AGO

Reserved

2025-05-31

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

Weaknesses

• CWE-642External Control of Critical State DataClass

Data version

5.1

Document digest

5876d7b51d0f13ba7fe247bdf42ae7f27798961e5f45d0018a136381faaf9f03

• matrix.orghttps://matrix.org/blog/2025/08/security-release/
• github.comhttps://github.com/Nheko-Reborn/nheko/issues/1931
• github.comhttps://github.com/matrix-org/matrix-spec/releases/tag/v1.16
• matrix.orghttps://matrix.org/blog/2025/08/project-hydra-improving-state-res/