CVE-2026-73506
Oh My Posh: Terminal escape sequence injection via unsanitized prompt segment data
- State
- Published
- Severity
- 6.1 Medium
- Published
- Aug 13, 2026
- Updated
- Aug 14, 2026
- Reserved
- Aug 12, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.1 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L | GitHub_M |
Weaknesses
- CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences
Affected Products
| Product | Versions |
|---|---|
oh-my-poshJanDeDobbeleer |
|
References
- https://github.com/JanDeDobbeleer/oh-my-posh/security/advisories/GHSA-fwjx-9p69-h25h
- https://github.com/JanDeDobbeleer/oh-my-posh/pull/7711
- https://github.com/JanDeDobbeleer/oh-my-posh/commit/edcf3c88f3fb582e84358b385c49d33d04c04224
- https://github.com/JanDeDobbeleer/oh-my-posh/releases/tag/v29.35.1
- https://github.com/Budibase/budibase/security/advisories/GHSA-fcrw-f7gg-6g9fexploit
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.