EUVD-2026-58081
GHSA-fwjx-9p69-h25h
Severity by source
AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Terminal escape sequence injection in Oh My Posh prior to version 29.35.1 allows an attacker who controls a Git repository or filesystem directory name to silently execute arbitrary ANSI/OSC escape sequences in a victim's terminal on every prompt render, without any user action beyond navigating to the attacker-influenced directory. The write(s rune) function in src/terminal/writer.go emitted attacker-controlled content — including Git commit subjects, author names and emails, upstream URLs, and working directory path components — verbatim to the terminal output buffer without stripping C0/C1 control characters such as ESC (0x1b), BEL (0x07), CSI, and OSC sequences. …
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