Description
Roundup 1.6 allows XSS via the URI because frontends/roundup.cgi and roundup/cgi/wsgi_handler.py mishandle 404 errors.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | roundup | 1.4.20-1.1+deb8u2 | DLA-1750-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | roundup | 1.4.20-1.1+deb8u2build0.16.04.1 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | roundup | < 2.0.0alpha0 | 2.0.0alpha0 | GHSA-926q-wxr6-3crq |
| PyPI | roundup | < 2.0.0 | 2.0.0 | PYSEC-2019-201 |
Advisories 1
- DLA-1750-1 roundup - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/python/bugs.python.org/issues/34
- https://bugs.python.org/issue36391
- https://www.openwall.com/lists/oss-security/2019/04/05/1
- [oss-security] 20190407 Re: XSS in roundup bug tracker 404 page mailing-list
- [debian-lts-announce] 20190407 [SECURITY] [DLA 1750-1] roundup security update mailing-list