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CVE-2026-42554 Fiber: XSS in AutoFormat Content Negotiation

🗓️ 11 May 2026 21:47:17Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

Fiber versions before 2.52.12 and 3.1.0 allow cross site scripting via Accept: text/html in AutoFormat

Related
Affected
Refs
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Family
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CNNVD
Fiber 跨站脚本漏洞
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cve
Github Security Blog
Fiber vulnerable to XSS in AutoFormat Content Negotiation
5 May 202620:13
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NVD
CVE-2026-42554
11 May 202623:19
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OSV
CGA-7M94-W8FX-6G5V
6 May 202615:16
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OSV
GHSA-QJV7-627W-8QJV Fiber vulnerable to XSS in AutoFormat Content Negotiation
5 May 202620:13
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Positive Technologies
PT-2026-37270
5 May 202600:00
ptsecurity
Rows per page
[
  {
    "vendor": "gofiber",
    "product": "fiber",
    "versions": [
      {
        "version": "< 2.52.13",
        "status": "affected"
      },
      {
        "version": ">= 3.0.0-beta.2, < 3.1.0",
        "status": "affected"
      }
    ]
  }
]

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