Sitecore Experience Platform (XP) prior to 9.1.1 is vulnerable to remote code execution…
Priority MEDIUM 53CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-502.
Summary
Sitecore Experience Platform (XP) prior to 9.1.1 is vulnerable to remote code execution via deserialization, aka TFS # 293863. An authenticated user with necessary permissions is able to remotely execute OS commands by sending a crafted serialized object.
Why it matters now
EPSS 0.13946 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11080
- 2026-10-03 Alias added: GHSA-4xhv-mrq3-x222
References
More Sitecore Experience Platform vulnerabilities
- TI-2021-18687 Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure… KEVCVSS 3.1CRITICAL 9.8
- TI-2019-07254 Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF)… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-33607 Sitecore Products ViewState Deserialization Vulnerability KEVCVSS 3.1CRITICAL 9.0
- TI-2023-17897 Multiple Sitecore products allow remote code execution. CVSS 3.1CRITICAL 9.8
- TI-2025-33610 HTML Cache Poisoning through Unsafe Reflections CVSS 3.1CRITICAL 9.8
- TI-2023-11899 Deserialization of Untrusted Data in Sitecore Experience Platform through 10.2 allows… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-11080 · CVE Program
- CVE-2019-11080 · NVD
- FIRST EPSS
- GHSA-4xhv-mrq3-x222 · 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