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Vulnerabilities

Vulnerability · CVE-2026-33435

Weblate is a web based localization tool.

Published Apr 15, 2026 · catalog updated Jun 17, 2026 · Weblate is a web

Check if you run it

No confirmed exploitation is on record for CVE-2026-33435. EPSS is 0.88%. Act only if a listed version of Weblate is a web is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Weblate is a web).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.88%
Remediation
Advisory link
Affected products
cpe weblate/weblate

Weblate is a web based localization tool. In versions prior to 5.17, the project backup didn't filter Git and Mercurial configuration files which could lead to remote code execution under certain circumstances. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can limit the scope of the vulnerability by restricting access to the project backup, as it is only accessible to users who can create projects.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe weblate/weblateversion unspecified

How to fix CVE-2026-33435

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-33435. EPSS is 0.88%. Act only if a listed version of Weblate is a web is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-23; CWE-434: Unrestricted Upload of File with Dangerous Type; CWE-94: Code Injection. EPSS 0.88%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 15, 2026 · NIST NVD

    Detected

    Weblate is a web based localization tool. In versions prior to 5.17, the project backup didn't filter Git and Mercurial configuration files which could lead to remote code execution under certain circumstances. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can limit the scope of the vulnerability by restricting access to the project backup, as it i

  2. Jun 17, 2026 · NIST NVD

    Updated

    Weblate is a web based localization tool. In versions prior to 5.17, the project backup didn't filter Git and Mercurial configuration files which could lead to remote code execution under certain circumstances. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can limit the scope of the vulnerability by restricting access to the project backup, as it i

Sources

  • CVE.orgVulnerability recordCVE-2026-33435

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-33435

    30-day exploitation probability 0.9%

    first.org
  • NIST NVDVulnerability recordCVE-2026-33435

    Weblate is a web based localization tool. In versions prior to 5.17, the project backup didn't filter Git and Mercurial configuration files which could lead to remote code execution under certain circumstances. This issue has been fixed in version 5.17. If developers are unable t

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.