CVE-2026-47716 Bugsink: Issue bulk actions can affect another project’s issue if its UUID is known
Attackers can perform bulk actions on issues in other projects if they know the issue UUID, bypassing project-level authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-47716?
CVE-2026-47716 is a low-severity missing authorization vulnerability in bugsink, published on 26 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Bugsink is a self-hosted error tracking tool. Prior to 2.2.0, In affected versions, the issue list view authorizes access through the project in the URL, but applies the requested bulk action to the submitted issue IDs without also requiring those issues to belong to that project. This vulnerability is fixed in 2.2.0.
Weakness: CWE-639
Which versions are affected by CVE-2026-47716?
3 open source packages ship an affected version, including bugsink.
| Package | Affected | Fixed in |
|---|---|---|
bugsink PyPI | All versions | 2.2.0 |
bugsink PyPI | All versions | 2.2.0 |
bugsink PyPI | All versions | 2.2.0 |
How do I fix CVE-2026-47716?
Upgrade bugsink to 2.2.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-47716 being exploited?
There is no known exploitation of CVE-2026-47716 in the wild and no public exploit code.
Sources
Also known as GHSA-g5vc-q7qc-v939, PYSEC-2026-2406.