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

Fiber is a web framework for Go. Prior to 2.52.12 and 3.1.0, Cross-Site Scripting vulnerability in Go Fiber allows a remote attacker to inject arbitrary HTML/JavaScript by supplying Accept: text/html on any request whose handler passes attacker-influenced data to the AutoFormat feature. The...

CVE-2026-42554

Fiber is a web framework for Go. Prior to 2.52.12 and 3.1.0, Cross-Site Scripting vulnerability in Go Fiber allows a remote attacker to inject arbitrary HTML/JavaScript by supplying Accept: text/html on any request whose handler passes attacker-influenced data to the AutoFormat feature. The...

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

Fiber is a web framework for Go. Prior to 2.52.12 and 3.1.0, Cross-Site Scripting vulnerability in Go Fiber allows a remote attacker to inject arbitrary HTML/JavaScript by supplying Accept: text/html on any request whose handler passes attacker-influenced data to the AutoFormat feature. The...

MINI-FRP8-4V6P-6WP3

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Fiber 跨站脚本漏洞

Fiber is an open-source web framework written in Go. Versions of Fiber prior to 2.52.12 and 3.1.0 contain a cross-site scripting vulnerability. This vulnerability stems from cross-site scripting, allowing remote attackers to inject arbitrary HTML/JavaScript into any request by providing Accept:...

GHSA-QJV7-627W-8QJV Fiber vulnerable to XSS in AutoFormat Content Negotiation

Summary Description A Cross-Site Scripting CWE-79 vulnerability in Go Fiber allows a remote attacker to inject arbitrary HTML/JavaScript by supplying Accept: text/html on any request whose handler passes attacker-influenced data to the AutoFormat feature. This affects github.com/gofiber/fiber/v3...

Cross-site Scripting (XSS)

Overview github.com/gofiber/fiber/v3 is an Express inspired web framework written in Go. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the AutoFormat process. An attacker can inject arbitrary HTML or JavaScript by supplying a crafted Accept: text/html header and...

Cross-site Scripting (XSS)

Overview github.com/gofiber/fiber is an Express inspired web framework written in Go. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the AutoFormat process. An attacker can inject arbitrary HTML or JavaScript by supplying a crafted Accept: text/html header and...

Fiber vulnerable to XSS in AutoFormat Content Negotiation

Summary Description A Cross-Site Scripting CWE-79 vulnerability in Go Fiber allows a remote attacker to inject arbitrary HTML/JavaScript by supplying Accept: text/html on any request whose handler passes attacker-influenced data to the AutoFormat feature. This affects github.com/gofiber/fiber/v3...

Cross-site Scripting (XSS)

Overview github.com/gofiber/fiber/v2 is an Express inspired web framework written in Go. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the AutoFormat process. An attacker can inject arbitrary HTML or JavaScript by supplying a crafted Accept: text/html header and...

CVE-2026-30246

Fiber is a web framework for Go. In github.com/gofiber/fiber/v3 versions through 3.1.0, the default key generator in the cache middleware uses only the request path and does not include the query string. As a result, requests for the same path with different query parameters can share a cache key...

CVE-2026-30246

Fiber is a web framework for Go. In github.com/gofiber/fiber/v3 versions through 3.1.0, the default key generator in the cache middleware uses only the request path and does not include the query string. As a result, requests for the same path with different query parameters can share a cache key...

EUVD-2026-27313

Fiber is a web framework for Go. In github.com/gofiber/fiber/v3 versions through 3.1.0, the default key generator in the cache middleware uses only the request path and does not include the query string. As a result, requests for the same path with different query parameters can share a cache key...

CVE-2026-30246 github.com/gofiber/fiber/v3 cache middleware can mix responses across query parameters

Fiber is a web framework for Go. In github.com/gofiber/fiber/v3 versions through 3.1.0, the default key generator in the cache middleware uses only the request path and does not include the query string. As a result, requests for the same path with different query parameters can share a cache key...

CVE-2026-30246 github.com/gofiber/fiber/v3 cache middleware can mix responses across query parameters

Fiber is a web framework for Go. In github.com/gofiber/fiber/v3 versions through 3.1.0, the default key generator in the cache middleware uses only the request path and does not include the query string. As a result, requests for the same path with different query parameters can share a cache key...

CVE-2026-30246 github.com/gofiber/fiber/v3 cache middleware can mix responses across query parameters

Fiber is a web framework for Go. In github.com/gofiber/fiber/v3 versions through 3.1.0, the default key generator in the cache middleware uses only the request path and does not include the query string. As a result, requests for the same path with different query parameters can share a cache key...

CVE-2026-30246

Summary: CVE-2026-30246 affects the Go web framework Fiber (github.com/gofiber/fiber/v3) middleware/cache. The default KeyGenerator uses only the request path, omitting the query string, so requests with different query parameters can map to the same cache key, causing cross-request data mix-ups ...

Altice Labs GR140DG和Altice Labs GR140IG 安全漏洞

Altice Labs GR140DG and Altice Labs GR140IG are fiber-optic access gateway devices from the Portuguese company Altice Labs. Both devices have security vulnerabilities. The vulnerability stems from the ping diagnostic handler in /bin/httpdclientside, which inserts uncleaned user inputs into the...

Fiber 安全漏洞

Fiber is an open-source web framework written in Go. Versions of Fiber 3.1.0 and earlier contain security vulnerabilities. These vulnerabilities stem from the default key generator used in the caching middleware, which only uses the request path without including the query string. As a result,...

PT-2026-37270

Name of the Vulnerable Software and Affected Versions Fiber versions prior to 2.52.12 Fiber versions prior to 3.1.0 Description A Cross-Site Scripting issue exists in the Go Fiber web framework. A remote attacker can inject arbitrary HTML or JavaScript by providing an Accept: text/html header in ...