---
id: "CVE-2026-111988"
kind: "vulnerability"
aliases: ["CVE-2026-111988"]
title: "Dyad: OAuth callback handler flaw allows cross-site request forgery"
severity: "medium"
cvss: 5.3
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["dyad", "oauth", "other"]
not_affected_if: ["unknown"]
published_at: "2026-10-18T15:16:52+00:00"
first_seen_at: "2026-10-23T21:57:15+00:00"
updated_at: "2026-10-25T04:26:44+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111988", "first_seen_at": "2026-10-23T21:57:15+00:00"}]
---

# Dyad: OAuth callback handler flaw allows cross-site request forgery

Dyad, an open-source app, has a cross-site request forgery flaw in its OAuth callback handler, up to version 1.16.0. A remote attacker can trick a logged-in user's browser into triggering actions in the app.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Dyad version and compare it with `1.16.0`
- unknown for other checks; the sources do not say which settings or endpoints expose the handler

## Fix

- Upgrade Dyad to `1.17.0-beta.1` or later (patch commit `39fbae87b38573616a1a3b152cdb292787bb1109`)

## Timeline

- 2026-10-23T21:57:15+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-111988

## From the sources

A security flaw has been discovered in dyad-sh dyad up to 1.16.0. Affected by this issue is some unknown functionality of the component OAuth Callback Handler. Performing a manipulation results in cross-site request forgery. The attack may be initiated remotely. Upgrading to version 1.17.0-beta.1 can resolve this issue. The patch is named 39fbae87b38573616a1a3b152cdb292787bb1109. It is advisable to upgrade the affected component.

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