Affected by GO-2025-3492 and 4 other vulnerabilities

GO-2025-3492: Memos Server-Side Request Forgery (SSRF) in github.com/usememos/memos

GO-2025-3936: Memos Vulnerable to Path Traversal via the CreateResource Endpoint in github.com/usememos/memos

GO-2025-3937: Memos Vulnerable to Stored Cross-Site Scripting in github.com/usememos/memos

GO-2025-4127: Memos' Access Tokens Stay Valid after User Password Change in github.com/usememos/memos

GO-2026-5403: Memos has an Incorrect Privilege Assignment issue in github.com/usememos/memos

identifier

package

v0.31.0 Latest Latest Go to latest Published: Sep 19, 2026 License: MIT Imports: 1 Imported by: 0

Details

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const MaxUsernameLength = 36

MaxUsernameLength is the maximum number of ASCII characters in a writable username.

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var (
	UIDMatcher = regexp.MustCompile(`^[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,34}[a-zA-Z0-9])?$`)
)

func IsUsernameCharacter(char byte) bool

IsUsernameCharacter reports whether an ASCII byte may occur in a writable username.

func IsValidUsername(username string) bool

IsValidUsername reports whether username satisfies the writable username format.

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