CVE-2026-91144

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-15. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

ZFile through 5.0.5 fails to validate requested file paths against a share link's allowed entries on the download endpoint. Attackers holding a share link can supply arbitrary file paths as query parameters to download any file under the shared base directory, bypassing the intended access restrictions.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 17, 2026

Advisory Details (4)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

ZFile through 5.0.5 Share Entry Filter Bypass via Download Endpoint | Advisories | VulnCheck

https://www.vulncheck.com/advisories/zfile-through-5.0.5-share-entry-filter-bypass-via-download-endpoint
generic

zfile/src/main/java/im/zhaojun/zfile/module/share/service/ShareLinkFileService.java at 5.0.5 · zfile-dev/zfile · GitHub

https://github.com/zfile-dev/zfile/blob/5.0.5/src/main/java/im/zhaojun/zfile/module/share/service/ShareLinkFileService.java
generic

GitHub - zfile-dev/zfile: 在线云盘、网盘、OneDrive、云存储、私有云、对象存储、h5ai、上传、下载 · GitHub

https://github.com/zfile-dev/zfile
generic

[Security] Share Download Endpoint Bypasses shareEntries Filter - Unauthorized Access to Files Within Shared Directory · Issue #826 · zfile-dev/zfile · GitHub

https://github.com/zfile-dev/zfile/issues/826

Vendor Advisories for CVE-2026-91144(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 31× in last 7d / 31× 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. 2026-09-21 04:55 UTCEG score recompute
  2. 2026-09-21 04:55 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 17:16 UTCGHSA enrichment
  5. 2026-09-20 05:48 UTCGHSA enrichment
  6. 2026-09-19 18:21 UTCEG score recompute
  7. 2026-09-19 18:21 UTCGHSA enrichment
  8. 2026-09-19 06:53 UTCEG score recompute
  9. 2026-09-19 06:53 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 19:25 UTCGHSA enrichment
  12. 2026-09-18 07:57 UTCGHSA enrichment
  13. 2026-09-17 20:29 UTCEG score recompute
  14. 2026-09-17 20:29 UTCGHSA enrichment
  15. 2026-09-17 19:39 UTCEG score recompute
  16. 2026-09-17 19:39 UTCGHSA enrichment
  17. 2026-09-17 19:32 UTCEPSS rescore
  18. 2026-09-17 19:23 UTCGHSA enrichment
  19. 2026-09-17 07:46 UTCGHSA enrichment
  20. 2026-09-16 20:18 UTCEG score recompute
  21. 2026-09-16 20:18 UTCGHSA enrichment
  22. 2026-09-16 14:09 UTCEPSS rescore
  23. 2026-09-16 08:48 UTCEG score recompute
  24. 2026-09-16 08:48 UTCGHSA enrichment
  25. 2026-09-16 05:15 UTCEPSS rescore
Show 6 more
  1. 2026-09-15 21:15 UTCGHSA enrichment
  2. 2026-09-15 09:47 UTCEG score recompute
  3. 2026-09-15 09:47 UTCGHSA enrichment
  4. 2026-09-14 22:20 UTCEG score recompute
  5. 2026-09-14 21:55 UTCEG score recompute
  6. 2026-09-14 21:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-91144?
CVE-2026-91144 is a high vulnerability published on September 14, 2026. ZFile through 5.0.5 fails to validate requested file paths against a share link's allowed entries on the download endpoint. Attackers holding a share link can supply arbitrary file paths as query parameters to download any file under the shared base directory, bypassing the intended access…
When was CVE-2026-91144 disclosed?
CVE-2026-91144 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-91144 actively exploited?
CVE-2026-91144 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 69.1% of all scored CVEs.
What is the CVSS score of CVE-2026-91144?
CVE-2026-91144 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-91144?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-91144, 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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