GHSA-444R-2WHX-3685

Vulnerability from github – Published: 2026-05-10 15:31 – Updated: 2026-06-09 20:49
VLAI
Summary
Sentry: Superusers can execute arbitrary commands by injecting malicious pickle-serialized objects through audit log entry data parameter
Details

Sentry 8.2.0 contains a remote code execution vulnerability that allows authenticated superusers to execute arbitrary commands by injecting malicious pickle-serialized objects through the audit log entry data parameter. Attackers can submit crafted POST requests to the admin audit log endpoint with base64-encoded compressed pickle payloads in the data field to achieve code execution with application privileges.

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "sentry"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "sentry"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.2.0"
            },
            {
              "fixed": "8.2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-47935"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-06-09T20:49:59Z",
    "nvd_published_at": "2026-05-10T13:16:29Z",
    "severity": "HIGH"
  },
  "details": "Sentry 8.2.0 contains a remote code execution vulnerability that allows authenticated superusers to execute arbitrary commands by injecting malicious pickle-serialized objects through the audit log entry data parameter. Attackers can submit crafted POST requests to the admin audit log endpoint with base64-encoded compressed pickle payloads in the data field to achieve code execution with application privileges.",
  "id": "GHSA-444r-2whx-3685",
  "modified": "2026-06-09T20:49:59Z",
  "published": "2026-05-10T15:31:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47935"
    },
    {
      "type": "WEB",
      "url": "https://github.com/getsentry/sentry/commit/19a0ba63d9ffb6aff79c7b78e2fa951a94edd61a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/getsentry/sentry/commit/1f6090dc64b237c3da22bf35a5863a7136ac4669"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/getsentry/sentry"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/sentry/PYSEC-2026-131.yaml"
    },
    {
      "type": "WEB",
      "url": "https://sentry.io/welcome"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/50318"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/sentry-remote-code-execution-via-pickle-deserialization"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Sentry: Superusers can execute arbitrary commands by injecting malicious pickle-serialized objects through audit log entry data parameter"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.