CVE-2026-52794: Sentry: Inefficient Regular Expression Complexity in sentry
High · CVSS 7.5 (CVSS 3.1)EPSS 0.55%, 45th percentilePublished Updated Assigner: GitHub_M
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · CWE-1333
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
getsentry: sentry
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- github.com/getsentry/sentry/pull/116587 (opens in new tab)
- github.com/getsentry/sentry/security/advisories/GHSA-jjqr-wqg2-p856 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)