What is CVE-2026-52794?

CVE-2026-52794 is a high-severity vulnerability in Getsentry Sentry, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2026-06-24.

How severe is CVE-2026-52794?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Getsentry Sentry

CVE-2026-52794

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 f…

Vulnerability class: ReDoS (Regular Expression Denial of Service)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Getsentry Sentry — versions >= 24.4.0, < 26.5.2

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-52794?: CVE-2026-52794 is a high-severity vulnerability in Getsentry Sentry, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2026-06-24.
How severe is CVE-2026-52794?: High severity. CVSS v3 base score is 7.5 out of 10.