CVE-2024-39303
Weblate vulnerabler to improper sanitization of project backups
Weblate is a web based localization tool. Prior to version 5.6.2, Weblate didn't correctly validate filenames when restoring project backup. It may be possible to gain unauthorized access to files on the server using a crafted ZIP file. This issue has been addressed in Weblate 5.6.2. As a workaround, do not allow untrusted users to create projects.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Weblate vulnerabler to improper sanitization of project backups
Weblate is a web based localization tool. Prior to version 5.6.2, Weblate didn't correctly validate filenames when restoring project backup. It may be possible to gain unauthorized access to files on the server using a crafted ZIP file. This issue has been addressed in Weblate 5.6.2. As a workaround, do not allow untrusted users to create projects.
- Record
CVE-2024-39303- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
EUVDEUVD-2024-2373
Weblate is a web based localization tool. Prior to version 5.6.2, Weblate didn't correctly validate filenames when restoring project backup. It may be possible to gain unauthorized access to files on the server using a crafted ZIP file. This issue has been addressed in Weblate 5.6.2. As a workaround, do not allow untrusted users to create projects.
- Record
EUVD-2024-2373- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jfgp-674x-6q4p
Weblate vulnerable to improper sanitization of project backups
Impact
Weblate didn't correctly validate filenames when restoring project backup. It may be possible to gain unauthorized access to files on the server using a crafted ZIP file.
Patches
This issue has been addressed in Weblate 5.6.2 via https://github.com/WeblateOrg/weblate/commit/b6a7eace155fa0feaf01b4ac36165a9c5e63bfdd.
Workarounds
Do not allow project creation to untrusted users.
References
Thanks to Bryan Cahill for bringing this issue to our attention.
For more information
If you have any questions or comments about this advisory:
- Open a topic in discussions
- Email us at [email protected]
- Record
GHSA-jfgp-674x-6q4p- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N - CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
NVD
Weblate is a web based localization tool. Prior to version 5.6.2, Weblate didn't correctly validate filenames when restoring project backup. It may be possible to gain unauthorized access to files on the server using a crafted ZIP file. This issue has been addressed in Weblate 5.6.2. As a workaround, do not allow untrusted users to create projects.
- Record
CVE-2024-39303- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
OSV
Weblate vulnerabler to improper sanitization of project backups
Weblate is a web based localization tool. Prior to version 5.6.2, Weblate didn't correctly validate filenames when restoring project backup. It may be possible to gain unauthorized access to files on the server using a crafted ZIP file. This issue has been addressed in Weblate 5.6.2. As a workaround, do not allow untrusted users to create projects.
- Record
CVE-2024-39303- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
OSVGHSA-jfgp-674x-6q4p
Weblate vulnerable to improper sanitization of project backups
Impact
Weblate didn't correctly validate filenames when restoring project backup. It may be possible to gain unauthorized access to files on the server using a crafted ZIP file.
Patches
This issue has been addressed in Weblate 5.6.2 via https://github.com/WeblateOrg/weblate/commit/b6a7eace155fa0feaf01b4ac36165a9c5e63bfdd.
Workarounds
Do not allow project creation to untrusted users.
References
Thanks to Bryan Cahill for bringing this issue to our attention.
For more information
If you have any questions or comments about this advisory:
- Open a topic in discussions
- Email us at [email protected]
- Record
GHSA-jfgp-674x-6q4p- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N - CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
OSVPYSEC-2026-2041
Weblate vulnerable to improper sanitization of project backups
Impact
Weblate didn't correctly validate filenames when restoring project backup. It may be possible to gain unauthorized access to files on the server using a crafted ZIP file.
Patches
This issue has been addressed in Weblate 5.6.2 via https://github.com/WeblateOrg/weblate/commit/b6a7eace155fa0feaf01b4ac36165a9c5e63bfdd.
Workarounds
Do not allow project creation to untrusted users.
References
Thanks to Bryan Cahill for bringing this issue to our attention.
For more information
If you have any questions or comments about this advisory:
- Open a topic in discussions
- Email us at [email protected]
- Record
PYSEC-2026-2041- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N - CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:14210-1 No score
weblate-5.6.2-1.1 on GA media
These are all security issues fixed in the weblate-5.6.2-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:14210-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
weblatePyPI |
4.14 up to 5.6.2 | 5.6.2 |
weblatePyPI |
4.14 up to 5.6.2, plus listed versions 4.14.14.14.24.154.15.14.15.2 Show 29 moreShow less4.164.16.14.16.24.16.34.16.44.174.184.18.14.18.25.05.0.15.0.25.15.1.15.25.2.15.35.3.15.45.4.15.4.25.4.35.55.5.25.5.35.5.45.5.55.65.6.1 |
5.6.2 |
weblateopenSUSE:Tumbleweed |
before 5.6.2-1.1 | 5.6.2-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-39303 is a medium vulnerability (CVSS 4.4) in Weblate, published July 1, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. Fixed in weblate 5.6.2.
References
github.com/WeblateOrg/weblate/security/advisories/GHSA-jfgp-674x-6q4p
nvd.nist.gov/vuln/detail/CVE-2024-39303
pypi.org/project/weblate
suse.com/security/cve/CVE-2024-39303