How severe is CVE-2025-49134?

CVE-2025-49134 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-2025-49134 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-49134?

CVE-2025-49134 affects Weblate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-49134?

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

Does CVE-2025-49134 have an EU (EUVD) identifier?

Yes. CVE-2025-49134 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18399.

When was CVE-2025-49134 published?

CVE-2025-49134 was published on 2025-06-16 and last updated on 2026-06-17.

CVE-2025-49134

CVE-2025-49134 is a medium-severity vulnerability in Weblate 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-359.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 2.1
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18399
Weakness: CWE-359
Affected product: Weblate
Published: 2025-06-16
Last modified: 2026-06-17

Description

Weblate is a web based localization tool. Prior to version 5.12, the audit log notifications included the full IP address of the acting user. This could be obtained by third-party servers such as SMTP relays, or spam filters. This issue has been patched in version 5.12.

Frequently asked questions

What is CVE-2025-49134?: Weblate is a web based localization tool. Prior to version 5.12, the audit log notifications included the full IP address of the acting user. This could be obtained by third-party servers such as SMTP relays, or spam filters. This issue has been patched in version 5.12.
How severe is CVE-2025-49134?: CVE-2025-49134 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-2025-49134 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49134?: CVE-2025-49134 affects Weblate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-49134?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-49134 have an EU (EUVD) identifier?: Yes. CVE-2025-49134 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18399.
When was CVE-2025-49134 published?: CVE-2025-49134 was published on 2025-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:weblate:weblate:*:*:*:*:*:*:*:*

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