Unrated severityNVD Advisory· Published Jun 24, 2026
Sentry: Inefficient Regular Expression Complexity in sentry
CVE-2026-52794
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.
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Affected products
1Patches
Vulnerability mechanics
References
2- github.com/getsentry/sentry/pull/116587mitrex_refsource_MISC
- github.com/getsentry/sentry/security/advisories/GHSA-jjqr-wqg2-p856mitrex_refsource_CONFIRM
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