CVE-2026-63358

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM 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 — 3 sources updated this week
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: None knownExposed: 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(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

July 21, 2026

Last Modified

August 5, 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 17× in last 7d / 86× 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.

Showing the most recent 100 of 162 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-11 09:37 UTCEPSS rescore
  3. 2026-09-11 09:00 UTCEG score recompute
  4. 2026-09-11 09:00 UTCGHSA enrichment
  5. 2026-09-09 11:18 UTCEG score recompute
  6. 2026-09-09 11:18 UTCGHSA enrichment
  7. 2026-09-08 22:01 UTCEPSS rescore
  8. 2026-09-07 22:33 UTCEG score recompute
  9. 2026-09-07 22:33 UTCGHSA enrichment
  10. 2026-09-07 16:01 UTCEPSS rescore
  11. 2026-09-06 13:47 UTCEPSS rescore
  12. 2026-09-06 10:54 UTCGHSA enrichment
  13. 2026-09-05 21:10 UTCEG score recompute
  14. 2026-09-05 21:10 UTCGHSA enrichment
  15. 2026-09-05 15:31 UTCEPSS rescore
  16. 2026-09-05 08:31 UTCEG score recompute
  17. 2026-09-05 08:31 UTCGHSA enrichment
  18. 2026-09-04 05:07 UTCEPSS rescore
  19. 2026-09-02 14:12 UTCEPSS rescore
  20. 2026-09-02 00:56 UTCEG score recompute
  21. 2026-09-02 00:56 UTCGHSA enrichment
  22. 2026-09-01 13:54 UTCEPSS rescore
  23. 2026-09-01 04:40 UTCEPSS rescore
  24. 2026-08-31 03:58 UTCEG score recompute
  25. 2026-08-31 03:58 UTCGHSA enrichment
Show 75 more
  1. 2026-08-30 19:17 UTCEPSS rescore
  2. 2026-08-30 15:17 UTCGHSA enrichment
  3. 2026-08-30 02:12 UTCEG score recompute
  4. 2026-08-30 02:12 UTCGHSA enrichment
  5. 2026-08-30 01:22 UTCEPSS rescore
  6. 2026-08-28 21:42 UTCEPSS rescore
  7. 2026-08-28 01:39 UTCEG score recompute
  8. 2026-08-28 01:39 UTCGHSA enrichment
  9. 2026-08-27 14:25 UTCEPSS rescore
  10. 2026-08-27 12:57 UTCGHSA enrichment
  11. 2026-08-27 00:17 UTCEG score recompute
  12. 2026-08-27 00:17 UTCGHSA enrichment
  13. 2026-08-26 14:46 UTCEPSS rescore
  14. 2026-08-26 11:38 UTCGHSA enrichment
  15. 2026-08-25 22:35 UTCEG score recompute
  16. 2026-08-25 22:34 UTCGHSA enrichment
  17. 2026-08-25 13:49 UTCEPSS rescore
  18. 2026-08-25 08:58 UTCGHSA enrichment
  19. 2026-08-24 20:19 UTCEG score recompute
  20. 2026-08-24 20:18 UTCGHSA enrichment
  21. 2026-08-24 07:38 UTCGHSA enrichment
  22. 2026-08-23 18:43 UTCGHSA enrichment
  23. 2026-08-23 06:04 UTCEG score recompute
  24. 2026-08-23 06:04 UTCGHSA enrichment
  25. 2026-08-23 00:19 UTCEPSS rescore
  26. 2026-08-22 17:24 UTCGHSA enrichment
  27. 2026-08-22 04:44 UTCEG score recompute
  28. 2026-08-22 04:44 UTCGHSA enrichment
  29. 2026-08-21 23:49 UTCEPSS rescore
  30. 2026-08-21 16:04 UTCGHSA enrichment
  31. 2026-08-21 03:24 UTCEG score recompute
  32. 2026-08-21 03:24 UTCGHSA enrichment
  33. 2026-08-20 22:55 UTCEPSS rescore
  34. 2026-08-20 14:45 UTCGHSA enrichment
  35. 2026-08-20 02:06 UTCEG score recompute
  36. 2026-08-20 02:06 UTCGHSA enrichment
  37. 2026-08-19 17:04 UTCEPSS rescore
  38. 2026-08-19 13:26 UTCGHSA enrichment
  39. 2026-08-19 00:40 UTCEG score recompute
  40. 2026-08-19 00:40 UTCGHSA enrichment
  41. 2026-08-18 13:48 UTCEPSS rescore
  42. 2026-08-18 11:52 UTCGHSA enrichment
  43. 2026-08-17 23:12 UTCEG score recompute
  44. 2026-08-17 23:12 UTCGHSA enrichment
  45. 2026-08-17 13:47 UTCEPSS rescore
  46. 2026-08-17 10:32 UTCGHSA enrichment
  47. 2026-08-16 21:53 UTCEG score recompute
  48. 2026-08-16 21:53 UTCGHSA enrichment
  49. 2026-08-16 14:56 UTCEPSS rescore
  50. 2026-08-16 09:13 UTCEG score recompute
  51. 2026-08-16 09:13 UTCGHSA enrichment
  52. 2026-08-15 20:34 UTCGHSA enrichment
  53. 2026-08-15 07:54 UTCEG score recompute
  54. 2026-08-15 07:54 UTCGHSA enrichment
  55. 2026-08-15 01:30 UTCEPSS rescore
  56. 2026-08-14 19:14 UTCGHSA enrichment
  57. 2026-08-14 06:35 UTCEG score recompute
  58. 2026-08-14 06:35 UTCGHSA enrichment
  59. 2026-08-13 22:00 UTCEPSS rescore
  60. 2026-08-13 17:55 UTCGHSA enrichment
  61. 2026-08-13 05:08 UTCGHSA enrichment
  62. 2026-08-12 16:29 UTCEG score recompute
  63. 2026-08-12 16:29 UTCGHSA enrichment
  64. 2026-08-12 13:51 UTCEPSS rescore
  65. 2026-08-12 03:50 UTCGHSA enrichment
  66. 2026-08-11 15:11 UTCEG score recompute
  67. 2026-08-11 15:11 UTCGHSA enrichment
  68. 2026-08-11 02:27 UTCEG score recompute
  69. 2026-08-11 02:27 UTCGHSA enrichment
  70. 2026-08-11 00:00 UTCEPSS rescore
  71. 2026-08-10 13:48 UTCGHSA enrichment
  72. 2026-08-10 01:08 UTCEG score recompute
  73. 2026-08-10 01:08 UTCGHSA enrichment
  74. 2026-08-09 13:47 UTCEPSS rescore
  75. 2026-08-09 12:29 UTCGHSA enrichment

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 August 5, 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 0% probability of exploitation in the next 30 days, which ranks it in the top 93.5% of all scored CVEs.
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.

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