{"id":"CVE-2026-52794","summary":"Sentry: Inefficient Regular Expression Complexity in sentry","details":"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.","aliases":["GHSA-jjqr-wqg2-p856"],"modified":"2026-07-15T01:49:05.165485358Z","published":"2026-06-24T21:26:26.512Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-1333"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52794.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52794.json"},{"type":"ADVISORY","url":"https://github.com/getsentry/sentry/security/advisories/GHSA-jjqr-wqg2-p856"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52794"},{"type":"FIX","url":"https://github.com/getsentry/sentry/pull/116587"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/getsentry/sentry","events":[{"introduced":"e96babf9213ca7bc712b78dd9b0961a3005cf1bb"},{"fixed":"52f80d7f918d0a073b95289d0382827f28c4ca0b"}],"database_specific":{"cpe":"cpe:2.3:a:sentry:sentry:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"24.4.0"},{"fixed":"26.5.2"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52794.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}