Better Auth•2d ago

Issue: Session not retrieved on latest safari version

Description I'm encountering a session-related issue On modern browsers, specifically the latest version of Safari. While session retrieval works fine on Chrome, it fails on Safari. Context Backend: Running on Hono (Cloudflare Workers) Frontend: Hosted on Vercel Setup: The frontend and backend are on different domain names Troubleshooting Attempts I tried setting partitioned: true and removing secure: true, but this caused issues across all browsers, making the situation worse.

export const auth = (env: Env) =>
…   
   advanced: {
        crossSubDomainCookies: {
            enabled: true,
        },
        defaultCookieAttributes: {
            httpOnly: true,
            sameSite: 'None',
            // partitioned: true,
            secure: true,
        },
    },

    session: {
        cookieCache: {
            enabled: true,
            maxAge: 5 * 60 * 100, // Cache duration in seconds
        },
    },
});

export const auth = (env: Env) =>
…   
   advanced: {
        crossSubDomainCookies: {
            enabled: true,
        },
        defaultCookieAttributes: {
            httpOnly: true,
            sameSite: 'None',
            // partitioned: true,
            secure: true,
        },
    },

    session: {
        cookieCache: {
            enabled: true,
            maxAge: 5 * 60 * 100, // Cache duration in seconds
        },
    },
});

I'm not sure if this is a bug or if I misconfigured better-auth. Does anyone have insights into why Safari is blocking session retrieval while Chrome works fine? Any suggestions on how to resolve this?

Solution:

fixed with : ``` advanced: { defaultCookieAttributes: {...

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6 Replies

daveycodez•2d ago

Is this happening on dev and prod? Or only on dev? There is an issue with secure cookies and Safari on dev (going from http to https)

ClémentOP•2d ago

It’s on prod

daveycodez•2d ago

This is my advanced config

    advanced: {
        defaultCookieAttributes:
            process.env.NODE_ENV === "production"
                ? {
                      sameSite: "none",
                      secure: true
                  }
                : undefined
    },

    advanced: {
        defaultCookieAttributes:
            process.env.NODE_ENV === "production"
                ? {
                      sameSite: "none",
                      secure: true
                  }
                : undefined
    },

ClémentOP•9h ago

your backend and frontend are not on the same domain name ?

daveycodez•8h ago

I use this for Capacitor So my native apps are running from localhost

Solution

Clément•7h ago

fixed with :

advanced: {
  defaultCookieAttributes: {
    sameSite: 'None',  
    partitioned: true,
    secure: true,
    },
},

advanced: {
  defaultCookieAttributes: {
    sameSite: 'None',  
    partitioned: true,
    secure: true,
    },
},

idk why it wasn't working

Gaming

Programming

Issue: Session not retrieved on latest safari version

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