GHSA-cwcx-382v-8m9g
Weblate Vulnerable to Authenticated SSRF via Project Backup Import bypassing validate_repo_url
상세
### Impact 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 component via `Component.objects.bulk_create([component])[0]`, which bypasses Django's `full_clean()` and therefore never runs the `validate_repo_url` validator. The URL is subsequently written verbatim into `.git/config` by `configure_repo(pull=False)`.
### Patches * https://github.com/WeblateOrg/weblate/pull/19061 * https://github.com/WeblateOrg/weblate/pull/19062
### Workarounds Limiting who can create projects limits the scope.
### Resources Weblate thanks @fg0x0 for reporting this vulnerability via GitHub.
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참고
- https://github.com/WeblateOrg/weblate/security/advisories/GHSA-cwcx-382v-8m9g [WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2026-41654 [ADVISORY]
- https://github.com/WeblateOrg/weblate/pull/19061 [WEB]
- https://github.com/WeblateOrg/weblate/pull/19062 [WEB]
- https://github.com/WeblateOrg/weblate/commit/e1eff1f517c1ee315d69581910baaabb724e5ef0 [WEB]
- https://github.com/WeblateOrg/weblate/commit/e4b67a76d95d5165ecb9937f7485fd79223b7f14 [WEB]
- https://github.com/WeblateOrg/weblate [PACKAGE]
- https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1 [WEB]