Sentry 8.2.0 Remote Code Execution via Pickle Deserialization
Priority HIGH 73CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-94.
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00927 60th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed sentry (PyPI): 8.1.4, 8.2.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Sentry | Sentry | 8.2.0 | — | No fix listed | CNA |
| — | sentry (PyPI) | before 8.1.4 | 8.1.4 | Patch available | GHSA-444r-2whx-3685 |
| — | sentry (PyPI) | 8.2.0 to before 8.2.2 | 8.2.2 | Patch available | GHSA-444r-2whx-3685 |
- Sentry VendorSentry Affected 8.2.0 Fixed in — No fix listed CNA
- sentry (PyPI) Vendor— Affected before 8.1.4 Fixed in 8.1.4 Patch available GHSA-444r-2whx-3685
- sentry (PyPI) Vendor— Affected 8.2.0 to before 8.2.2 Fixed in 8.2.2 Patch available GHSA-444r-2whx-3685
Remediation
- Fix · GHSA-444r-2whx-3685 sentry (PyPI) Fixed in 8.1.4 Advisory →
- Fix · GHSA-444r-2whx-3685 sentry (PyPI) Fixed in 8.2.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47935
- 2026-10-03 Alias added: GHSA-444r-2whx-3685
References
Exploit 1
Other 6
- Product Reference
- https://github.com/getsentry/sentry/commit/19a0ba63d9ffb6aff79c7b78e2fa951a94edd61a
- https://github.com/getsentry/sentry/commit/1f6090dc64b237c3da22bf35a5863a7136ac4669
- https://github.com/getsentry/sentry
- https://github.com/pypa/advisory-database/tree/main/vulns/sentry/PYSEC-2026-131.yaml
- https://sentry.io/welcome
More Sentry vulnerabilities
- TI-2026-21018 Sentry allows unauthorized access to event data across organizational boundaries CVSS 4.0MEDIUM 5.7
- TI-2026-30656 Sentry: Improper authentication on SAML SSO process allows user identity linking CVSS 3.1CRITICAL 9.8
- TI-2026-21634 Sentry: Improper Authentication on SAML SSO process allows user identity linking CVSS 3.1CRITICAL 9.1
- TI-2026-37904 Sentry: Inefficient Regular Expression Complexity in sentry CVSS 3.1HIGH 7.5
- TI-2023-20488 Sentry vulnerable to privilege escalation via ApiTokensEndpoint CVSS 3.1HIGH 8.1
- TI-2023-18620 Sentry vulnerable to improper authorization on debug and artifact file downloads CVSS 3.1HIGH 7.7
Sources
- CVE-2021-47935 · CVE Program
- CVE-2021-47935 · NVD
- FIRST EPSS
- GHSA-444r-2whx-3685 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences