← Vulnerability feed

Vulnerability record · CVE-2021-47935 · published 10 May 2026

CVE-2021-47935: Sentry code injection vulnerability

Sentry · Sentry

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.

8.7 CVSS 4.0 High EPSS 0.93% · top 41.1% CWE-94 · Code injection
8.7CVSS 4.0 base score
0.93%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
20 Jul 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sentry.io/welcome/ Product
https://www.exploit-db.com/exploits/50318 ExploitVDB Entry
https://www.vulncheck.com/advisories/sentry-remote-code-execution-via-pickle-deserialization Third Party Advisory

Track CVE-2021-47935 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-42354Sentry authentication bypass by spoofing vulnerabilitySentry is an error tracking and performance monitoring tool. From version 21.12.0 to before version 26.4.1, a critical vulnerability was discovered i…EPSS 0.73%9.1CVE-2026-27197Sentry improper authentication vulnerabilitySentry is a developer-first error tracking and performance monitoring tool. Versions 21.12.0 through 26.1.0 have a critical vulnerability in its SAML…EPSS 0.58%8.1CVE-2023-39349Sentry improper access control vulnerabilitySentry is an error tracking and performance monitoring platform. Starting in version 22.1.0 and prior to version 23.7.2, an attacker with access to a…EPSS 1.1%7.5CVE-2026-52794Sentry inefficient regular expression (redos) vulnerabilitySentry is an error tracking and performance monitoring tool. From 24.4.0 until 26.5.2, a Regular Expression Denial of Service (ReDoS) vulnerability e…EPSS 0.47%6.8CVE-2023-39531Sentry improper authentication vulnerabilitySentry is an error tracking and performance monitoring platform. Starting in version 10.0.0 and prior to version 23.7.2, an attacker with sufficient …EPSS 0.36%6.5CVE-2024-32474Sentry cleartext storage of sensitive data vulnerabilitySentry is an error tracking and performance monitoring platform. Prior to 24.4.1, when authenticating as a superuser to Sentry with a username and pa…EPSS 0.43%6.5CVE-2023-36826Sentry improper authorization vulnerabilitySentry is an error tracking and performance monitoring platform. Starting in version 8.21.0 and prior to version 23.5.2, an authenticated user can do…EPSS 0.63%5.7CVE-2026-26004Sentry insecure direct object reference vulnerabilitySentry is a developer-first error tracking and performance monitoring tool. Versions prior to 26.1.0 have a cross-organization Insecure Direct Object…EPSS 0.40%

Source: NIST National Vulnerability Database (record CVE-2021-47935), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.