CVE-2026-92748

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-16. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
56(Track*)
EG Risk 56/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
55%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 24, 2026

Advisory Details (6)

Auto-updated Sep 16, 2026
Patch available. Sources: github_commit, github_release.
generic

BC Security Empire before 6.7.1 Path Traversal File Upload RCE | Advisories | VulnCheck

https://www.vulncheck.com/advisories/bc-security-empire-before-6.7.1-path-traversal-file-upload-rce
github_release Patch Available

v6.7.1

Patch available: BC-SECURITY/Empire v6.7.1

https://github.com/BC-SECURITY/Empire/releases/tag/v6.7.1
github_commit Patch Available

commit c33a626316cb (BC-SECURITY/Empire)

Patch available: BC-SECURITY/Empire v6.7.1 (contains commit c33a626316cb)

https://github.com/BC-SECURITY/Empire/commit/c33a626316cb20bc8ed707e03a22d324d5d4762a
generic

Empire/empire/server/core/download_service.py at v6.6.0 · BC-SECURITY/Empire · GitHub

https://github.com/BC-SECURITY/Empire/blob/v6.6.0/empire/server/core/download_service.py#L148-L193
generic

GitHub - BC-SECURITY/Empire: Empire is a post-exploitation and adversary emulation framework that is used to aid Red Teams and Penetration Testers. · GitHub

https://github.com/BC-SECURITY/Empire
generic

[BUG] Path traversal arbitrary file write in download/avatar upload (download_service.create_download) leads to remote code execution on the C2 host · Issue #824 · BC-SECURITY/Empire · GitHub

https://github.com/BC-SECURITY/Empire/issues/824

Vendor Advisories for CVE-2026-92748(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 30× in last 7d / 39× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-25 09:19 UTCGHSA enrichment
  2. 2026-09-24 21:02 UTCEG score recompute
  3. 2026-09-24 21:02 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 10:38 UTCGHSA enrichment
  6. 2026-09-23 22:20 UTCEG score recompute
  7. 2026-09-23 22:20 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 10:03 UTCGHSA enrichment
  10. 2026-09-22 21:46 UTCEG score recompute
  11. 2026-09-22 21:46 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 09:29 UTCGHSA enrichment
  14. 2026-09-21 21:10 UTCEG score recompute
  15. 2026-09-21 21:10 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 08:53 UTCGHSA enrichment
  18. 2026-09-20 20:36 UTCEG score recompute
  19. 2026-09-20 20:36 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 08:19 UTCGHSA enrichment
  22. 2026-09-19 20:02 UTCEG score recompute
  23. 2026-09-19 20:02 UTCGHSA enrichment
  24. 2026-09-19 07:45 UTCEG score recompute
  25. 2026-09-19 07:45 UTCGHSA enrichment
Show 14 more
  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 19:28 UTCEG score recompute
  3. 2026-09-18 19:28 UTCGHSA enrichment
  4. 2026-09-18 18:34 UTCEG score recompute
  5. 2026-09-18 18:34 UTCGHSA enrichment
  6. 2026-09-18 10:16 UTCGHSA enrichment
  7. 2026-09-17 21:59 UTCEG score recompute
  8. 2026-09-17 21:59 UTCGHSA enrichment
  9. 2026-09-17 19:32 UTCEPSS rescore
  10. 2026-09-17 09:42 UTCEG score recompute
  11. 2026-09-17 09:42 UTCGHSA enrichment
  12. 2026-09-16 21:24 UTCEG score recompute
  13. 2026-09-16 20:40 UTCEG score recompute
  14. 2026-09-16 20:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-92748?
CVE-2026-92748 is a high vulnerability published on September 16, 2026. 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…
When was CVE-2026-92748 disclosed?
CVE-2026-92748 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92748 actively exploited?
CVE-2026-92748 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 44.6% of all scored CVEs.
What is the CVSS score of CVE-2026-92748?
CVE-2026-92748 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-92748?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92748, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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