CVE Tools
Sign in

CVE-2021-47935

Sentry 8.2.0 Remote Code Execution via Pickle Deserialization

Published: May 10, 2026Updated: May 14, 2026 Sources: CVE List NVDCWE-94
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.9%
Top 44.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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 Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-94

Affected Products

SentrySentry
SaaS
Cloud & SaaS / saas-application
sentrysentry
SaaS
Cloud & SaaS / saas-application
sentrycommercialCloud & SaaSaka sentry software development kit, symbolicator, sentry

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.exploit-db.com/exploits/50318
exploit-db.com
https://sentry.io/welcome/
sentry.io
https://www.vulncheck.com/advisories/sentry-remote-code-execution-via-pickle-deserialization
vulncheck.com

Timeline

Published
May 10, 2026
Last Updated
May 14, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-47935 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows