CVE-2026-52794

Published: Jun 24, 2026Modified: Jun 27, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: security-advisories@github.com (Secondary)

Description

Sentry is an error tracking and performance monitoring tool. From 24.4.0 until 26.5.2, a Regular Expression Denial of Service (ReDoS) vulnerability exists in Sentry's event ingestion pipeline, where a regex applied to attacker-controlled fields on incoming events can be made to consume disproportionate CPU time. This vulnerability is fixed in 26.5.2.

Affected (1)

Products: Sentry: Sentry

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Sentry Sentry	From 24.4.0 to 26.5.2

Related CWEs

Inefficient Regular Expression Complexity

The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

References (2)

https://github.com/getsentry/sentry/pull/116587

Source: security-advisories@github.com

Issue TrackingPatch

https://github.com/getsentry/sentry/security/advisories/GHSA-jjqr-wqg2-p856

Source: security-advisories@github.com

MitigationVendor Advisory

Timeline

No history available yet.