CVE-2026-21889
published 2026-01-14CVE-2026-21889: Weblate is a web based localization tool. Prior to 5.15.2, the screenshot images were served directly by the HTTP server without proper access control. This…
PriorityP349high7.5CVSS 3.1
AVNACLPRNUINSUCHINAN
EPSS
0.38%
29.5th percentile
Weblate is a web based localization tool. Prior to 5.15.2, the screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename. This vulnerability is fixed in 5.15.2.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| weblate | weblate | < 5.15.2 | 5.15.2 |
| weblate | weblate | >= 0 < 5.15.2 | 5.15.2 |
| weblateorg | weblate | < 5.15.2 | 5.15.2 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv4.02.3LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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GHSA
Weblate leaks information via screenshots
ghsa·2026-01-14
CVE-2026-21889 [LOW] CWE-284 Weblate leaks information via screenshots
Weblate leaks information via screenshots
### Impact
The screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename.
### Patches
* https://github.com/WeblateOrg/weblate/pull/17516
### References
Thanks to Lukas May and Michael Leu for reporting this.
OSV
Weblate leaks information via screenshots
osv·2026-01-14
CVE-2026-21889 [LOW] Weblate leaks information via screenshots
Weblate leaks information via screenshots
### Impact
The screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename.
### Patches
* https://github.com/WeblateOrg/weblate/pull/17516
### References
Thanks to Lukas May and Michael Leu for reporting this.
No detection rules found.
No public exploits indexed.
2026-01-14
Published