How severe is CVE-2025-31126?

CVE-2025-31126 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-31126 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-31126?

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

Does CVE-2025-31126 have an EU (EUVD) identifier?

Yes. CVE-2025-31126 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14785.

When was CVE-2025-31126 published?

CVE-2025-31126 was published on 2025-04-03 and last updated on 2026-06-17.

CVE-2025-31126

CVE-2025-31126 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14785
Weakness: CWE-200
Published: 2025-04-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-31126?: CVE-2025-31126 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-31126 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-31126?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31126 have an EU (EUVD) identifier?: Yes. CVE-2025-31126 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14785.
When was CVE-2025-31126 published?: CVE-2025-31126 was published on 2025-04-03 and last updated on 2026-06-17.

References

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