CVE-2021-47935
Sentry 8.2.0 Remote Code Execution via Pickle Deserialization
- State
- Published
- Severity
- 8.7 High
- Published
- May 10, 2026
- Updated
- Oct 8, 2026
- Reserved
- Feb 1, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 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 | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
SentrySentry |
|
References
- ExploitDB-50318exploit
- Product Referenceproduct
- VulnCheck Advisory: Sentry 8.2.0 Remote Code Execution via Pickle Deserializationthird-party-advisory
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