CVE-2026-41654: Weblate is a web based localization tool

Q: How do I fix CVE-2026-41654?

weblate: upgrade to 5.17.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-41654 being exploited?

CVE-2026-41654 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-2026-41654 affect?

CVE-2026-41654 affects weblate. Severity is high (CVSS 8.1). Weblate is a web based localization tool. Prior to version 5.17.1, an authenticated user with project.add permission (default on hosted Weblate SaaS and for any user holding an active billing/trial plan) can import a crafted project backup

Routine

HIGH 8.1UPGRADE

CVE-2026-41654 is a high-severity flaw (CVSS 8.1) 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. Prior to version 5.17.1, an authenticated user with project.add permission (default on hosted Weblate SaaS and for any user holding an active billing/trial plan) can import a crafted project backup ZIP whose components/<name>.json contains an attacker-chosen repo URL pointing at a private address (e.g. http://127.0.0.1:9999/) or using a non-allow-listed scheme (e.g. file://, git://). Weblate persists the

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-20, CWE-918
Published	2026-05-07
Last modified	2026-10-25

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

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-07 15:16 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

weblate weblate UPGRADE

Affected: < 5.17.1

Fixed in: 5.17.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 5.17.1 (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-2026-41654?

weblate: upgrade to 5.17.1. Exact commands for each OS are on this page.

Is CVE-2026-41654 being exploited?

CVE-2026-41654 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-2026-41654 affect?

CVE-2026-41654 affects weblate. Severity is high (CVSS 8.1). Weblate is a web based localization tool. Prior to version 5.17.1, an authenticated user with project.add permission (default on hosted Weblate SaaS and for any user holding an active billing/trial plan) can import a crafted project backup

How urgent is CVE-2026-41654?

Priority 36/100. High severity

Software pages

Git vulnerabilities

Related CVEs

CVE-2026-34242 HIGH 7.7 UPGRADE Weblate is a web based localization tool

References

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