Regular Expression Denial of Service Vulnerability in Sentry by Getsentry
CVE-2026-52794

7.5HIGH

Key Information:

Vendor

Getsentry

Status
Sentry
Vendor
CVE Published:
24 June 2026

What is CVE-2026-52794?

A Regular Expression Denial of Service (ReDoS) vulnerability affects Sentry's event ingestion pipeline, utilizing regex on attacker-controlled fields. This can result in excessive CPU consumption when handling incoming events, leading to potential performance degradation. The issue is addressed in version 26.5.2, offering users a path to mitigate the risks associated with this vulnerability.

Affected Version(s)

sentry >= 24.4.0, < 26.5.2

References

https://github.com/getsentry/sentry/security/advisories/G...
x_refsource_CONFIRM
https://github.com/getsentry/sentry/pull/116587
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.