CVE-2021-47935 json
Sentry 8.2.0 Remote Code Execution via Pickle Deserialization
published 2026-05-10 6 mo ago modified 2026-10-08 32 d ago also GHSA-444r-2whx-3685 , PYSEC-2026-131 , EUVD-2021-34796
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi sentry 8.1.4, 8.2.2
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/50318 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | 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 |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.7 | 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:X/V:X/RE:X/U:X |
| OSV | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | sentry | <8.1.4 >=8.2.0, <8.2.2 <=8.2.0 |
8.1.4 8.2.2 |
Affected products
- Sentry Sentry
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
github.com
/getsentry/sentry/commit/19a0ba63d9ffb6aff79c7b78e2fa951a94edd61a
web
-
github.com
/getsentry/sentry/commit/1f6090dc64b237c3da22bf35a5863a7136ac4669
web
-
exploit-db.com
/exploits/50318
exploit, web, vdb-entry, evidence
-
sentry.io
/welcome/
product, web
-
vulncheck.com
/advisories/sentry-remote-code-execution-via-pickle-deserialization
third-party-advisory, web, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-47935
advisory
-
github.com
/getsentry/sentry
package
-
github.com
/pypa/advisory-database/tree/main/vulns/sentry/PYSEC-2026-131.yaml
web
-
sentry.io
/welcome
web
-
github.com
/advisories/GHSA-444r-2whx-3685
advisory
Sources
- CVE List CVE-2021-47935
- GitHub Advisory GHSA-444r-2whx-3685
- NVD CVE-2021-47935
- OSV PYSEC-2026-131
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.