CVE-2026-56394

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-21. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

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

Craft CMS from 4.0.0-RC1 contains an authenticated path traversal vulnerability in the assets/icon endpoint where the extension parameter is not validated before file existence checks. Attackers can bypass extension validation by passing traversal sequences that resolve to existing SVG files, allowing local file read access.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
26.0%
KEV
Not listed

Published

June 21, 2026

Last Modified

June 23, 2026

Advisory Details (3)

Auto-updated Jun 22, 2026
Patch available. Sources: github_commit, github.
generic

Craft CMS - Authenticated Path Traversal in assets/icon Extension Parameter | Advisories | VulnCheck

https://www.vulncheck.com/advisories/craft-cms-authenticated-path-traversal-in-assets-icon-extension-parameter
github Patch Available

Authenticated path traversal in `assets/icon` allows local `.svg` file read · Advisory · craftcms/cms · GitHub

https://github.com/craftcms/cms/security/advisories/GHSA-c43v-4cr8-6mvp
github_commit Patch Available

commit 30f5f1a8d6ed (craftcms/cms)

Patch available: craftcms/cms 4.17.13.1 (contains commit 30f5f1a8d6ed)

https://github.com/craftcms/cms/commit/30f5f1a8d6edf0f3a00be72c42c78d9dc7d72d5c

Vendor Advisories for CVE-2026-56394(1)

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

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
craftcms/cms4.0.0 ... 4.9.7 (238 versions)4.17.7—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 70× 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. 2026-07-23 03:20 UTCEG score recompute
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-21 15:25 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
  5. 2026-07-19 14:31 UTCEPSS rescore
  6. 2026-07-19 14:31 UTCEPSS rescore
  7. 2026-07-19 02:29 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-16 20:20 UTCGHSA enrichment
  10. 2026-07-16 17:03 UTCEPSS rescore
  11. 2026-07-15 17:59 UTCGHSA enrichment
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 16:57 UTCEPSS rescore
  14. 2026-07-15 02:00 UTCEPSS rescore
  15. 2026-07-15 02:00 UTCEPSS rescore
  16. 2026-07-14 18:20 UTCGHSA enrichment
  17. 2026-07-13 22:31 UTCEPSS rescore
  18. 2026-07-13 19:15 UTCGHSA enrichment
  19. 2026-07-13 06:13 UTCEPSS rescore
  20. 2026-07-13 06:13 UTCEPSS rescore
  21. 2026-07-12 20:09 UTCGHSA enrichment
  22. 2026-07-12 05:46 UTCEPSS rescore
  23. 2026-07-11 21:03 UTCGHSA enrichment
  24. 2026-07-11 08:27 UTCEPSS rescore
  25. 2026-07-11 08:27 UTCEPSS rescore
Show 49 more
  1. 2026-07-10 21:57 UTCGHSA enrichment
  2. 2026-07-09 22:51 UTCGHSA enrichment
  3. 2026-07-09 19:10 UTCEPSS rescore
  4. 2026-07-09 19:10 UTCEPSS rescore
  5. 2026-07-08 23:46 UTCGHSA enrichment
  6. 2026-07-08 15:16 UTCEPSS rescore
  7. 2026-07-08 15:16 UTCEPSS rescore
  8. 2026-07-08 00:41 UTCGHSA enrichment
  9. 2026-07-07 13:46 UTCEPSS rescore
  10. 2026-07-07 13:46 UTCEPSS rescore
  11. 2026-07-07 01:36 UTCGHSA enrichment
  12. 2026-07-06 16:27 UTCEPSS rescore
  13. 2026-07-06 16:27 UTCEPSS rescore
  14. 2026-07-06 02:30 UTCGHSA enrichment
  15. 2026-07-06 02:23 UTCEPSS rescore
  16. 2026-07-06 02:23 UTCEPSS rescore
  17. 2026-07-05 03:24 UTCGHSA enrichment
  18. 2026-07-05 02:31 UTCEPSS rescore
  19. 2026-07-05 02:30 UTCEPSS rescore
  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-04 06:31 UTCEPSS rescore
  22. 2026-07-04 04:18 UTCGHSA enrichment
  23. 2026-07-03 05:05 UTCGHSA enrichment
  24. 2026-07-02 05:58 UTCGHSA enrichment
  25. 2026-07-01 15:07 UTCEPSS rescore
  26. 2026-07-01 06:50 UTCGHSA enrichment
  27. 2026-06-30 23:22 UTCEPSS rescore
  28. 2026-06-30 07:44 UTCGHSA enrichment
  29. 2026-06-29 14:06 UTCEPSS rescore
  30. 2026-06-29 14:06 UTCEPSS rescore
  31. 2026-06-29 08:38 UTCGHSA enrichment
  32. 2026-06-28 14:07 UTCEPSS rescore
  33. 2026-06-28 09:30 UTCGHSA enrichment
  34. 2026-06-28 04:56 UTCEPSS rescore
  35. 2026-06-28 04:56 UTCEPSS rescore
  36. 2026-06-27 10:25 UTCGHSA enrichment
  37. 2026-06-27 03:08 UTCEPSS rescore
  38. 2026-06-26 11:19 UTCGHSA enrichment
  39. 2026-06-25 13:49 UTCEPSS rescore
  40. 2026-06-25 12:14 UTCGHSA enrichment
  41. 2026-06-24 14:05 UTCEPSS rescore
  42. 2026-06-24 13:08 UTCGHSA enrichment
  43. 2026-06-23 21:33 UTCEPSS rescore
  44. 2026-06-23 21:33 UTCEPSS rescore
  45. 2026-06-23 14:01 UTCGHSA enrichment
  46. 2026-06-22 19:39 UTCNVD updateCVSS v4 → 7.1 · severity → MEDIUM
  47. 2026-06-22 14:43 UTCGHSA enrichment
  48. 2026-06-21 15:38 UTCEG score recompute
  49. 2026-06-21 15:38 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56394?
CVE-2026-56394 is a medium vulnerability published on June 21, 2026. Craft CMS from 4.0.0-RC1 contains an authenticated path traversal vulnerability in the assets/icon endpoint where the extension parameter is not validated before file existence checks. Attackers can bypass extension validation by passing traversal sequences that resolve to existing SVG files,…
When was CVE-2026-56394 disclosed?
CVE-2026-56394 was first published in the National Vulnerability Database on June 21, 2026, with the most recent update on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56394 actively exploited?
CVE-2026-56394 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56394?
CVE-2026-56394 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-56394?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56394, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-56394

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