CVEvulnerability
CVE-2026-40505
4.8 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-16
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 4.8 MEDIUM — CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 3.3 LOW — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-150
Description
MuPDF before 1.27 contains an ANSI injection vulnerability in mutool that allows attackers to inject arbitrary ANSI escape sequences through crafted PDF metadata fields. Attackers can embed malicious ANSI escape codes in PDF metadata that are passed unsanitized to terminal output when running mutool info, enabling them to manipulate terminal display for social engineering attacks such as presenting fake prompts or spoofed commands.
Affected configurations
• artifex mupdf (< 1.27.0)
Related
Weakness · CWE (1)
- CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences weakness
References
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=0f17d789fe8c29b41e47663be82514aaca3a4dfb Patch
- https://github.com/ArtifexSoftware/mupdf/commit/0f17d789fe8c29b41e47663be82514aaca3a4dfb Patch
- https://github.com/ArtifexSoftware/mupdf/releases/tag/1.27.0 Product
- https://www.vulncheck.com/advisories/mupdf-mutool-ansi-injection-via-metadata Third Party Advisory