Information disclosure in Element-Hq Element-X-Ios

CVE-2025-31126

Element X iOS is a Matrix iOS Client provided by Element. In Element X iOS version between 1.6.13 and 25.03.7, the entity in control of the element.json well-known file is able, under certain conditions, to get access to the media encryption keys used for an Element Call call. This vulnerability is fixed in 25.03.8.

Vulnerability class: Information Disclosure

EPSS: 0.002 (8.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-31126?
CVE-2025-31126 is a medium-severity vulnerability in Element-Hq Element-X-Ios, classified under Information Disclosure. CVSS score: 5.3/10. Published 2025-04-03.
How severe is CVE-2025-31126?
Medium severity. CVSS v3 base score is 5.3 out of 10.