CVE-2026-33220: Weblate is a web based localization tool

Q: How do I fix CVE-2026-33220?

weblate: upgrade to 5.17. Exact commands for each OS are on this page.

Q: Is CVE-2026-33220 being exploited?

CVE-2026-33220 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33220 affect?

CVE-2026-33220 affects weblate. Severity is medium (CVSS 6.8). Weblate is a web based localization tool. In versions prior to 5.17, the translation memory API exposed unintended endpoints, which in turn didn't perform proper access control. This issue has been fixed in version 5.17. If developers are u

Q: How urgent is CVE-2026-33220?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 6.8UPGRADE

CVE-2026-33220 is a medium-severity flaw (CVSS 6.8) affecting weblate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Weblate is a web based localization tool. In versions prior to 5.17, the translation memory API exposed unintended endpoints, which in turn didn't perform proper access control. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable this feature as the CDN add-on is not enabled by default.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-22, CWE-200
Published	2026-04-15
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: weblate

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-15 19:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

weblate weblate UPGRADE

Affected: < 5.17

Fixed in: 5.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy weblate || rpm -q weblate || weblate --version

2. UPGRADE to 5.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade weblate

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade weblate

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33220?

weblate: upgrade to 5.17. Exact commands for each OS are on this page.

Is CVE-2026-33220 being exploited?

CVE-2026-33220 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33220 affect?

CVE-2026-33220 affects weblate. Severity is medium (CVSS 6.8). Weblate is a web based localization tool. In versions prior to 5.17, the translation memory API exposed unintended endpoints, which in turn didn't perform proper access control. This issue has been fixed in version 5.17. If developers are u

How urgent is CVE-2026-33220?

Priority 30/100. No elevated risk signals yet.

Related CVEs

CVE-2026-33435 HIGH 8.0 UPGRADE Weblate is a web based localization tool
CVE-2026-34393 HIGH 8.8 UPGRADE Weblate is a web based localization tool
CVE-2026-34244 MEDIUM 5.0 UPGRADE Weblate is a web based localization tool
CVE-2026-40256 MEDIUM 5.0 UPGRADE Weblate is a web based localization tool
CVE-2026-33440 MEDIUM 5.0 UPGRADE Weblate is a web based localization tool

References

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