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CVE-2026-55834

4.3 Moyenne

Publiée le 28/08/2026 à 22:18 · Modifiée le 09/09/2026 à 23:09 · Analyse NVD reportée · Source : security-advisories@github.com

Description

Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to services. From 2.6.0 until 2.9.0, frontend/src/routes/authorize/+page.ts reads the redirect_uri query parameter and frontend/src/routes/authorize/+page.svelte uses the raw callbackURL in redirectWithError when prompt=none cannot complete silent authorization. The client-side path only blocks javascript and data schemes and does not invoke the backend callback allow-list validation, so an unauthenticated attacker who knows a valid client_id can redirect a victim browser to an arbitrary HTTP or HTTPS origin for phishing or OIDC error and state smuggling. This issue is fixed in version 2.9.0.

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Produits concernés

Scores CVSS

VersionScoreSourceVecteur
3.1 4.3 Moyenne security-advisories@github.com CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Faiblesses (CWE)

Références

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