CVE-2021-47935

Sentry 8.2.0 Remote Code Execution via Pickle Deserialization

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.

Affected

Sentry

CVSS v4.0 VULNCHECK

8.7 HIGHCVSS: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:X/V:X/RE:X/U:X

CVSS v4.0 GitHub

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS v3.1 VULNCHECK

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.93% chance of exploitation in the next 30 days, 60th percentile

Published

2026-05-10

Updated

2026-10-08

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/50318

Security advisories

• https://www.vulncheck.com/advisories/sentry-remote-code-execution-via-pickle-deserializat…
• advisories/GHSA-444r-2whx-3685
• https://sentry.io/welcome

References

• CVE Record
• NVD entry