CVE-2026-80050

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-25. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: Elevated riskExposed: 0

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

ContiNew Admin fails to apply file-upload permission checks or file-type allowlist validation to multipart upload endpoints, allowing authenticated users to store files with arbitrary extensions. Attackers can initialize chunked uploads, send file parts, and complete uploads to leave arbitrary files in the storage backend accessible via web server URLs.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity65% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 26, 2026

Advisory Details (4)

Auto-updated Aug 25, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

ContiNew Admin through 4.1.0 Missing Authorization and File-Type Allowlist on Multipart Upload Endpoints | Advisories | VulnCheck

https://www.vulncheck.com/advisories/continew-admin-through-4.1.0-missing-authorization-and-file-type-allowlist-on-multipart-upload-endpoints
generic

continew-admin/continew-system/src/main/java/top/continew/admin/system/controller/MultipartUploadController.java at v4.1.0 · continew-org/continew-admin · GitHub

https://github.com/continew-org/continew-admin/blob/v4.1.0/continew-system/src/main/java/top/continew/admin/system/controller/MultipartUploadController.java
generic🟡 PoC Available

Authenticated Users Can Bypass Permission Check and File-Type Whitelist via Multipart Upload Endpoints · Issue #221 · continew-org/continew-admin · GitHub

https://github.com/continew-org/continew-admin/issues/221
generic

GitHub - continew-org/continew-admin: 🔥Almost最佳后端规范🔥页面现代美观，且专注设计与代码细节的高质量多租户中后台管理系统框架。开箱即用，持续迭代优化，持续提供舒适的开发体验。当前采用技术栈：SpringBoot v3.4.x (Java17)、Vue3 & ArcoDesign、TS、Vite5 、SaToken、MyBatisPlus、Redisson、FastExcel、CosId、JetCache、JustAuth、Crane4j、SpringDoc、Hutool 等。 · GitHub

https://github.com/continew-org/continew-admin

Vendor Advisories for CVE-2026-80050(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 15× in last 7d / 15× 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. 2026-08-29 13:04 UTCEG score recompute
  2. 2026-08-29 13:04 UTCGHSA enrichment
  3. 2026-08-28 21:42 UTCEPSS rescore
  4. 2026-08-28 14:00 UTCGHSA enrichment
  5. 2026-08-27 14:59 UTCEG score recompute
  6. 2026-08-27 14:59 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-26 15:58 UTCEG score recompute
  9. 2026-08-26 15:58 UTCGHSA enrichment
  10. 2026-08-26 14:47 UTCEPSS rescore
  11. 2026-08-26 14:10 UTCEG score recompute
  12. 2026-08-26 14:10 UTCGHSA enrichment
  13. 2026-08-25 19:20 UTCEG score recompute
  14. 2026-08-25 18:30 UTCEG score recompute
  15. 2026-08-25 18:29 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-80050?
CVE-2026-80050 is a medium vulnerability published on August 25, 2026. ContiNew Admin fails to apply file-upload permission checks or file-type allowlist validation to multipart upload endpoints, allowing authenticated users to store files with arbitrary extensions. Attackers can initialize chunked uploads, send file parts, and complete uploads to leave arbitrary…
When was CVE-2026-80050 disclosed?
CVE-2026-80050 was first published in the National Vulnerability Database on August 25, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-80050 actively exploited?
CVE-2026-80050 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 84.2% of all scored CVEs.
What is the CVSS score of CVE-2026-80050?
CVE-2026-80050 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-80050?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-80050, 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

Explore the affected products and dependency analysis for CVE-2026-80050

Explore →

Is Your Infrastructure Affected by CVE-2026-80050?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs