Information exposure in iTerm2 on macOS
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
An issue in iTerm2 on macOS before 3.6.12 lets a local attacker obtain sensitive information. The source does not describe the specific mechanism. The CVSS vector shows low attack complexity, low privileges required and no user interaction, with high confidentiality impact (CWE-200).
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
An issue in iTerm2 macOS before 3.6.12 allows a local attacker to obtain sensitive information.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Upgrade iTerm2 on macOS to version 3.6.12 or later, the version the advisory text marks as fixed. The sources list no fixed version.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-07 Threatist record created from CVE-2026-88514
- 2026-10-07 Alias added: GHSA-4mr7-8qv3-cm83
- 2026-10-07 CVSS score added · CISA ADP
- 2026-10-07 Weakness changed · CISA ADP
- 2026-10-07 CISA SSVC decision points changed
References
Sources
- CVE-2026-88514 · CVE Program
- CVE-2026-88514 · NVD
- FIRST EPSS
- GHSA-4mr7-8qv3-cm83 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences