8.8

CVE-2021-47935: Sentry 8.2.0 Remote Code Execution via Pickle Deserialization

Analyzed
AliasesGHSA-444r-2whx-3685PYSEC-2026-131
Published 10-05-2026Last modified 08-10-2026

Vulnerability summary

CVE-2021-47935 is a high (CVSS 8.8) Improper Control of Generation of Code vulnerability in sentry. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 60.5% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (exploit-database, 22-09-2021)

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.93%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1exploit-database

Timeline

  1. 10-05-2026
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

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 metrics

5 scores · 3 sources · 2 versions

EPSS trend

Probability

0.93%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.93% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • exploit-databasepythonUnverified

    Sentry 8.2.0 - Remote Code Execution (RCE) (Authenticated)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

PyPI1 product
  • sentry< 8.1.4 | ≥ 8.2.0, < 8.2.2 | ≤ 8.2.0
Sentry1 product

2 vendors · 2 products

References

10 links