Sitecore XM/XP/XC and Managed Cloud 8.0 - 10.4 Arbitrary File Read
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-522.
Summary
A vulnerability exists in Sitecore Experience Manager (XM), Experience Platform (XP), Experience Commerce (XC), and Managed Cloud that could allow an unauthenticated attacker to read arbitrary files. This vulnerability affects all Experience Platform topologies (XM, XP, XC) from 8.0 Initial Release through 10.4 Initial Release and later. This issue affects Content Management (CM) and standalone instances. PaaS and containerized solutions are also affected.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Sitecore | Experience Manager (XM) | 8.0 Initial Release – 10.4 Initial Release and later | — | No fix listed | CNA |
| Sitecore | Experience Platform (XP) | 8.0 Initial Release – 10.4 Initial Release and later | — | No fix listed | CNA |
| Sitecore | Experience Commerce (XC) | 8.0 Initial Release – 10.4 Initial Release and later | — | No fix listed | CNA |
| Sitecore | Managed Cloud | 8.0 Initial Release – 10.4 Initial Release and later | — | No fix listed | CNA |
- Experience Manager (XM) VendorSitecore Affected 8.0 Initial Release – 10.4 Initial Release and later Fixed in — No fix listed CNA
- Experience Platform (XP) VendorSitecore Affected 8.0 Initial Release – 10.4 Initial Release and later Fixed in — No fix listed CNA
- Experience Commerce (XC) VendorSitecore Affected 8.0 Initial Release – 10.4 Initial Release and later Fixed in — No fix listed CNA
- Managed Cloud VendorSitecore Affected 8.0 Initial Release – 10.4 Initial Release and later Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-34139
- 2026-10-03 Alias added: GHSA-wjf7-6cx7-x9v8
References
More Sitecore 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-2019-07255 Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows… KEVCVSS 3.1HIGH 8.8
- 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
Sources
- CVE-2025-34139 · CVE Program
- CVE-2025-34139 · NVD
- FIRST EPSS
- GHSA-wjf7-6cx7-x9v8 · 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