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CVE-2026-58371: Improper Neutralization of Input During Web Page Generation

🗓️ 30 Jun 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

SeaweedFS before 4.30 reflects the callback query parameter verbatim into responses served with Content-Type application/javascript in the shared writeJson helper (weed/server/common.go), with no callback-name validation, no X-Content-Type-Options...

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-58371
30 Jun 202615:57
–attackerkb
circl
Circl
CVE-2026-58371
30 Jun 202618:14
–circl
cve
CVE
CVE-2026-58371
30 Jun 202615:57
–cve
cvelist
Cvelist
CVE-2026-58371 SeaweedFS < 4.30 - Cross-Origin Information Disclosure via Unvalidated JSONP callback Parameter
30 Jun 202615:57
–cvelist
euvd
EUVD
EUVD-2026-40359
30 Jun 202615:57
–euvd
nvd
NVD
CVE-2026-58371
30 Jun 202617:16
–nvd
ptsecurity
Positive Technologies
PT-2026-53929
30 Jun 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-58371
7 Jul 202616:24
–redhatcve
snyk
Snyk
Cross-site Scripting (XSS)
30 Jun 202617:25
–snyk
vulnrichment
Vulnrichment
CVE-2026-58371 SeaweedFS < 4.30 - Cross-Origin Information Disclosure via Unvalidated JSONP callback Parameter
30 Jun 202615:57
–vulnrichment

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14 Jul 2026 00:00Current
CVSS 42.3
CVSS 3.13.1
EPSS0.00333
SSVC
0