Read the docs
TI-2019-06960 Aliases CVE-2019-9535GHSA-jwm6-6mgm-w3f5

iTerm2, up to and including version 3.3.5, with tmux integration is vulnerable to remote command execution

Priority MEDIUM 47CWE-349Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability exists in the way that iTerm2 integrates with tmux's control mode, which may allow an attacker to execute arbitrary commands by providing malicious output to the terminal. This affects versions of iTerm2 up to and including 3.3.5. This vulnerability may allow an attacker to execute arbitrary commands on their victim's computer by providing malicious output to the terminal. It could be exploited using command-line utilities that print attacker-controlled content.

Why it matters now

EPSS 0.02459 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
iTerm2iTerm23.3.5 – 3.3.5—No fix listedCNA
  • iTerm2 VendoriTerm2 Affected 3.3.5 – 3.3.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:iterm2:iterm2:*:*:*:*:*:*:*:*up to 3.3.5VulnerableiTerm2
  • cpe:2.3:a:iterm2:iterm2:*:*:*:*:*:*:*:* Versions up to 3.3.5 Vulnerable ·iTerm2

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-9535
  2. 2026-10-03 Alias added: GHSA-jwm6-6mgm-w3f5

References

Exploit 1

Advisory 1

Other 1

  • TI-2024-25648 An issue was discovered in iTerm2 3.5.x before 3.5.2. CVSS 3.1CRITICAL 9.8
  • TI-2023-24916 iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of… CVSS 3.1CRITICAL 9.8
  • TI-2023-24915 iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of… CVSS 3.1CRITICAL 9.8
  • TI-2026-29861 In iTerm2 through 3.6.9, displaying a .txt file can cause code execution via DCS 2000p… CVSS 3.1HIGH 7.8
  • TI-2024-25647 In iTerm2 before 3.5.2, the "Terminal may report window title" setting is not honored… CVSS 3.1CRITICAL 9.8
  • TI-2022-22670 iTerm2 before 3.4.18 mishandles a DECRQSS response. CVSS 3.1CRITICAL 9.8
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences