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Graph/cluster-76

ClusterConcept

SameSite/Token Scope Drift

cluster-76

Cookie-based state tokens get serialized and signed correctly, but browser SameSite/credential scope blocks them from being sent on cross-site navigations, so redirect-based flows fail; developers then misattribute the break to token formatting instead of transport rules.

Node Details

Public graph metadata

Updated6/23/2026

PageRank0.0006

Connections

30 linked nodes

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State persisted with Zustand to sessionStorage works across tabs in a normal browser session, but in incognito/private mode the persisted state is only accessible within the tab that wrote it, not across other tabs.

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When the UI calls the `POST /auth/callback/passkey` endpoint. Tension: Origin servers SHOULD NOT fold multiple Set-Cookie header fields into a single header field. Outcome: Cloudflare seem to be in the wrong here.

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when I refresh my page the cookie gets deleted — I have deployed my sveltekit frontend and python flask backend on vercel. Tension: On localhost, they worked just fine however when I deployed it, the cookies were not persistent. Outcome: it does sets the cookie, but on refresh, the cookie gets disappeared.

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I was facing the same error during build — That's my home page. Where I am using FeaturedVacancies. Tension: reason being I was getting the cookies in fetchwrapper for auth token. Outcome: solved my issue.

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Using Fetch from my `index.html` from my `portal.mydomain.com` does not. — Enter `api.mydomain.com` into a browser directly does save my cookie. Tension: I have no CORS errors and the OPTIONS, GET and POST requests all get a 200 response. Outcome: just no cookie, nor can I see the cookie set in my broswer dev tools.

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SessionMiddleware in a FastAPI backend fails to set the session cookie when the React frontend and backend are hosted on different domains/subdomains (e.g., XXX-ui.fly.dev vs XXX-api.fly.dev). The browser rejects the cookie with an 'invalid domain' error and no session is maintained.

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were not accessible in js and in browser — Cookies are being set and sent with the next request. Outcome: The problem solved by adding `domain="blueberry.adefe.xyz"` to the cookie in response.

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it always return undefined or empty string — I want to get the cookie with my client component. Tension: I am using js-cookie since someone recommend it.

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If at all I login in a new tab and close it. Tension: A Session needs to be maintained for authentication and authorization. Outcome: How can I achieve it?

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Embedding a CPQ web app as an iframe inside Salesforce fails to persist authentication cookies/session for API calls. Login in a new tab isn’t recognized inside the Salesforce iframe, preventing authorized requests.

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the cookie will be specifically set with `domain=app.sunsetland.com.au`. Tension: if we were to host another subdomain aside from `app.`, we actually would likely encounter the reCAPTCHA challenge again.

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A Rails cookie_store session cookie decrypted from production contains no explicit timestamp fields, so it’s unclear how Rails determines when the session should expire to prevent session replay attacks.

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can I create, from 2. and 3. a server side httpOnly cookie (containing a `widget_id`) of domain `mycompany-example.com`, that can be used during step 5. Outcome: when the user visits our website so we know which widget they come from ?

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Devise does not provide a maximum session length for active sessions

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Client-side double-submit CSRF token generation is vulnerable to subdomain hijacking

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Confusion about cookie authentication versus token authentication

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What are the pros and cons of high php session.sid_bits_per_character and session.sid_length? — As the title asks,. Tension: longer length means bigger cookies and longer processing, also longer for RDBS id matching. Outcome: Is there any reason NOT to change these 2 settings to the following in the php.ini file?

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Tension: Did he leave by himself? Has its session ended and the system kicked it out? Outcome: Create a new middleware for session activity tracking.

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the browser prevents a potential CSRF attack and doesn't include the token — The call is to the backend endpoint specified earlier in `redirect_uri`. Tension: I need a browser to include the `ASP.NET_SessionId` cookie in the request. Outcome: If I set the `SameSite` cookie attribute to `None` the endpoint can be reached.

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I don't think CSRF protection for login forms are useful without also using a phishing attack. — login forms. Tension: They are relevant after a user logs in, in cases where there are forms that act on a user's behalf. Outcome: I wouldn't even generate a session cookie until after a user has logged in.

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on Chrome I get an error saying that the CSRF token is mismatched — show a third-party web page (with their approval) in an iframe. Tension: This site has a different domain to my parent site. Outcome: The site displays fine on firefox.

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If I check 'Remember Me' in form, this add a cookie with name "REMEMBERME". Tension: I'm implementing custom authenticator. Outcome: your cookie is normal.

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Fortify SCA reports that the following code is DOM XSS vulnerable — const returnUrl = sessionStorage.getItem('returnUrl') || '/'; window.location.href = returnUrl;. Outcome: Don't store a full URL, just store the necessary information.

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The session identifier (req.sessionID) changed on every subsequent HTTP request from the React client to the Express server, preventing consistent session persistence.

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req.cookies.jwt is defined in localhost but undefined in deployment — The cookies are being set in the browser. Tension: the only problem is I can't access them. Outcome: Here to ken is undefined.

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The browser does not store the refresh token cookie returned by the Django Ninja login endpoint, even though the cookie appears in the response headers and the fetch call uses credentials: 'include'.

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Requests to the Django/DRF backend fail with “CSRF Failed: Origin checking failed - http://localhost:8000/ does not match any trusted origins.”

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curl will accept and store the super-cookie — In lib/cookie.c, Curl_cookie_add() guards against setting cookies whose Domain attribute is a Public Suffix. Tension: libpsl's matching is case-sensitive against its lowercase PSL data. Outcome: the PSL test never sees the canonical 'co.uk'.

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throws "Cookies can only be modified in a Server Action or Route Handler" — called from Next.js 15 Server Components (pages, layouts). Tension: The error appears intermittently — only when the session needs refreshing (controlled by `updateAge` config). Outcome: With `updateAge: 300` (5 minutes), it crashes every ~5 minutes for active users.

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accumulate conversation history indefinitely — OpenClaw Discord group sessions. Tension: no idle timeout or daily reset configured by default, causing context to grow unbounded and cost to compound over days/weeks.

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