Skip to main content
EPSS 0.2%top 95%

CVE-2026-73479: Improper Encoding or Escaping of Output in Byron dua-cli

0
Medium
VulnerabilityCVE-2026-73479cvecve-2026-73479
Published: 08/13/2026 (08/13/2026, 21:17:37 UTC)
Source: CVE Database V5
Vendor/Project: Byron
Product: dua-cli

Description

dua-cli fails to filter terminal escape sequences when printing marked file paths after exiting the TUI interface. Attackers can craft file names containing OSC/CSI escape sequences that are interpreted by the terminal emulator when printed, enabling title spoofing, clipboard manipulation, or other escape-sequence attacks.

CVSS v4.0

Score 4.8medium

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
None
Subsq. Confidentiality
Low
Subsq. Integrity
Low
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Affected software

Byron

dua-cli

Affected versions
>=0 <=2.41.1

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/25/2026, 02:40:06 UTC

Technical Analysis

The dua-cli application fails to properly encode or escape terminal escape sequences in file paths when printing them after exiting its text user interface. Specifically, crafted file names containing Operating System Command (OSC) or Control Sequence Introducer (CSI) escape sequences are printed verbatim, allowing these sequences to be interpreted by the terminal emulator. This can lead to attacks such as terminal title spoofing or clipboard manipulation by injecting malicious escape codes into the terminal output.

Potential Impact

An attacker who can create or influence file names viewed by dua-cli can execute terminal escape sequences on the victim's terminal emulator. This may result in misleading terminal titles, unauthorized clipboard content changes, or other escape-sequence based manipulations. The vulnerability requires user interaction (UI) and local access (local attack vector) and has a medium severity rating with a CVSS 4.8 score.

Mitigation Recommendations

No official patch or remediation information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid opening or printing untrusted file names in dua-cli or use terminal emulators that restrict or disable interpretation of OSC/CSI sequences.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
VulnCheck
Date Reserved
2026-08-12T18:19:17.024Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a7e3a17bf8831d539d70434

Added to database: 08/13/2026, 21:41:43 UTC

Last enriched: 09/25/2026, 02:40:06 UTC

Last updated: 09/28/2026, 13:47:47 UTC

Views: 40

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses