IA Squad
PT
python · bugsinkHeads-up

Bugsink DoS via excessive custom tags

Bugsink versions before 2.2.2 are vulnerable to a denial of service via excessive custom tags in an event, causing delayed ingestion for other events.

09 Jun 2026Read 1 minSeverity: schedule it

What changed

Bugsink versions before 2.2.2 are vulnerable to a denial of service via excessive custom tags in an event, causing delayed ingestion for other events.

Who it affects

Bugsink instances that accept events from DSN holders, especially if DSNs are exposed in client-side applications.

What to do today

Update to version 2.2.2 to cap the number of tags per event (default 100, configurable via MAX_EVENT_TAGS).

The trail
Collected Audited Written Published