CVE-2025-31126

Element X iOS allows the entity in control of the well-known file to break the confidentiality of embedded Element Call

Description

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: element-hq element-x-ios
Published at:
Updated at:

References

Link Tags
https://github.com/element-hq/element-x-ios/security/advisories/GHSA-69qf-p24v-rf8j
https://github.com/element-hq/element-meta/issues/2441

Frequently Asked Questions

What is the severity of CVE-2025-31126?
CVE-2025-31126 has been scored as a medium severity vulnerability.
How to fix CVE-2025-31126?
To fix CVE-2025-31126, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-31126 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-31126 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-31126?
CVE-2025-31126 affects element-hq element-x-ios.
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