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CVE-2026-73506: Oh My Posh is the most customisable and low-latency cross platform/shell prompt renderer. Prior to 2…

Occurred
Aug 13, 2026
Published
Aug 13, 2026
Source
NVD CVE

Summary

Oh My Posh is the most customisable and low-latency cross platform/shell prompt renderer. Prior to 29.35.1, write(s rune) in src/terminal/writer.go emitted attacker-controlled current directory names and Git metadata, including Commit.Subject, Commit.Author.Name, Commit.Author.Email, and RawUpstreamURL, without removing C0/C1 terminal control characters such as ESC, BEL, CSI, and OSC, allowing terminal escape sequence injection during prompt rendering that could overwrite the clipboard, spoof the prompt or screen, manipulate the window title, or disrupt the terminal. This issue is fixed in version 29.35.1.

Tags

  • CVE
  • CVE-2026-73506
  • cvss:MEDIUM

Classification

Category confidence: 90%
Severity confidence: 90%

Rationale: CVE describes a terminal escape sequence injection vulnerability in a shell prompt renderer, not an AI safety incident.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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