{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:sentry:sentry:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "24.4.0"
              },
              {
                "fixed": "26.5.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "e96babf9213ca7bc712b78dd9b0961a3005cf1bb"
            },
            {
              "fixed": "52f80d7f918d0a073b95289d0382827f28c4ca0b"
            }
          ],
          "repo": "https://github.com/getsentry/sentry",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-jjqr-wqg2-p856"
  ],
  "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"
  },
  "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.",
  "id": "CVE-2026-52794",
  "modified": "2026-07-15T01:49:05.165485358Z",
  "published": "2026-06-24T21:26:26.512Z",
  "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"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Sentry: Inefficient Regular Expression Complexity in sentry"
}