# Type 257 Characters of Anything. You're In.

Source: [DEV Community: backend](https://dev.to/anas_issath/type-257-characters-of-anything-youre-in-13ic) · 2026-11-11 · Backend
Page: https://themorning.dev/story/type-257-characters-of-anything-you-re-in-d331e1b7d947958a
Kind: security · Impact: high

## In brief

- A password bypass affects Alpine Linux and is triggered by a 257-character input.
- Researcher Özgün Kültekin reported the bug to the OpenSSH project on November 4, 2026.
- The article says two design decisions made four years apart in two different projects combined to create the bug.

## Why it matters

Developers running OpenSSH on Alpine Linux may be exposed to a password bypass, and the article argues similar bugs may exist in other codebases.

## Timeline

- 2026-11-04: Researcher Özgün Kültekin reports the bug to the OpenSSH project

## Coverage

- [Type 257 Characters of Anything. You're In.](https://dev.to/anas_issath/type-257-characters-of-anything-youre-in-13ic) — DEV Community: backend, 2026-11-11

Tags: security, openssh, alpine-linux, authentication, password

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Dev – https://themorning.dev