How severe is CVE-2026-33440?

CVE-2026-33440 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-33440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33440?

CVE-2026-33440 affects Weblate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33440?

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

Does CVE-2026-33440 have an EU (EUVD) identifier?

Yes. CVE-2026-33440 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23002.

When was CVE-2026-33440 published?

CVE-2026-33440 was published on 2026-04-15 and last updated on 2026-06-17.

CVE-2026-33440

CVE-2026-33440 is a medium-severity vulnerability in Weblate with a CVSS 3.x base score of 5.0. 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-23002
Weakness: CWE-918
Affected product: Weblate
Published: 2026-04-15
Last modified: 2026-06-17

Description

Weblate is a web based localization tool. In versions prior to 5.17, the ALLOWED_ASSET_DOMAINS setting applied only to the first issued requests and didn't restrict possible redirects. This issue has been fixed in version 5.17.

Frequently asked questions

What is CVE-2026-33440?: Weblate is a web based localization tool. In versions prior to 5.17, the ALLOWED_ASSET_DOMAINS setting applied only to the first issued requests and didn't restrict possible redirects. This issue has been fixed in version 5.17.
How severe is CVE-2026-33440?: CVE-2026-33440 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-33440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33440?: CVE-2026-33440 affects Weblate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33440?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33440 have an EU (EUVD) identifier?: Yes. CVE-2026-33440 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23002.
When was CVE-2026-33440 published?: CVE-2026-33440 was published on 2026-04-15 and last updated on 2026-06-17.

References

Affected products (1)

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

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