CVE-2026-63358

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-07-21. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0

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

FileGator accepts arbitrary Unix permission values via the '/chmoditems' API endpoint and passes the value directly to PHP's native 'chmod()' function through 'octdec()' conversion, with no validation. This allows an authenticated user with 'chmod' permission to upgrade their privileges to root.

CVSS v3
7.3
EG Score
7.3(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity73% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
1.6%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 22, 2026

Advisory Details (4)

Auto-updated Jul 21, 2026
Patch available. Sources: github_commit.
generic
https://www.cve.org/CVERecord?id=CVE-2026-63358
generic

GitHub - filegator/filegator: Powerful Multi-User File Manager · GitHub

https://github.com/filegator/filegator/tree/master
github_commit Patch Available

commit 4a44ed9a43f8 (filegator/filegator)

Patch available: filegator/filegator v7.14.3 (contains commit 4a44ed9a43f8)

https://github.com/filegator/filegator/commit/4a44ed9a43f84505703dce669c68fb55270c3f2c
generic

filegator/CHANGELOG.md at master · filegator/filegator · GitHub

https://github.com/filegator/filegator/blob/master/CHANGELOG.md#7142---2026-05-18

Vendor Advisories for CVE-2026-63358(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 10× in last 7d / 10× 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. 2026-07-24 14:18 UTCEPSS rescore
  2. 2026-07-24 14:18 UTCEPSS rescore
  3. 2026-07-23 03:22 UTCEG score recompute
  4. 2026-07-22 22:58 UTCEG score recompute
  5. 2026-07-22 22:58 UTCGHSA enrichment
  6. 2026-07-22 14:08 UTCEPSS rescore
  7. 2026-07-22 14:08 UTCEPSS rescore
  8. 2026-07-21 21:24 UTCEG score recompute
  9. 2026-07-21 20:45 UTCEG score recompute
  10. 2026-07-21 20:43 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-63358?
CVE-2026-63358 is a high vulnerability published on July 21, 2026. FileGator accepts arbitrary Unix permission values via the '/chmoditems' API endpoint and passes the value directly to PHP's native 'chmod()' function through 'octdec()' conversion, with no validation. This allows an authenticated user with 'chmod' permission to upgrade their privileges to root.
When was CVE-2026-63358 disclosed?
CVE-2026-63358 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63358 actively exploited?
CVE-2026-63358 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-63358?
CVE-2026-63358 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-63358?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63358, 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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