CVE-2026-92748 json
BC Security Empire before 6.7.1 Path Traversal File Upload RCE
published 2026-09-16 53 d ago modified 2026-09-24 45 d ago also EUVD-2026-81020
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
BC Security Empire before 6.7.1 fails to validate the multipart filename parameter in upload endpoints, allowing authenticated operators to write files to arbitrary paths on the C2 server. Attackers can use path traversal sequences in the filename to bypass directory containment and write malicious files to sensitive locations for code execution.
Patch / fix
- BC-SECURITY Empire 6.7.1
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 51 d ago
Exploit prediction
0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/BC-SECURITY/Empire/issues/824 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 |
Affected products
- BC-SECURITY Empire
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/BC-SECURITY/Empire/commit/c33a626316cb20bc8ed707e03a22d324d5d4762a
patch
-
github.com
/BC-SECURITY/Empire/issues/824
issue-tracking, exploit
-
github.com
/BC-SECURITY/Empire
product
-
github.com
/BC-SECURITY/Empire/blob/v6.6.0/empire/server/core/download_service.py#L148-L193
technical-description
-
github.com
/BC-SECURITY/Empire/releases/tag/v6.7.1
release-notes
-
vulncheck.com
/advisories/bc-security-empire-before-6.7.1-path-traversal-file-upload-rce
third-party-advisory
Sources
- CVE List CVE-2026-92748
- NVD CVE-2026-92748
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