CVE-2026-48725: Warp Terminal Clipboard Access Vulnerability

Technical summary

CVE-2026-48725 involves improper clipboard access controls in Warp's terminal rendering layer. The vulnerability stems from terminal output being granted clipboard manipulation capabilities (CLPY escape sequences or similar mechanisms) without requiring explicit user confirmation or security prompts. An attacker controlling remote terminal output can invoke clipboard operations that execute with the same permissions as the Warp process. This violates the security boundary between untrusted data streams (network output, piped commands) and the user's local clipboard, a trusted resource. The issue is classified under CWE-276 (Incorrect Default Permissions), reflecting inadequate default protections on clipboard access. The CVSS 3.1 score of 8.1 (HIGH) reflects network-accessible attack vector, low attack complexity, no privilege requirements, and user interaction limited to normal terminal usage.

Business impact

Organizations using Warp for development face potential compromise of sensitive clipboard-resident credentials, API tokens, and proprietary snippets. Developers may unknowingly paste clipboard content injected by terminal output from untrusted sources, introducing malware or backdoors into codebases or infrastructure. For DevOps teams managing deployment scripts and CI/CD pipelines, compromised clipboard state could lead to configuration tampering or lateral movement. Remote development workflows—accessing terminals via SSH or cloud IDEs—amplify risk because terminal output originates from less-controlled environments. Incident response may require credentialing rotation, codebase review, and forensic analysis of clipboard-adjacent activities.

Affected systems

Warp versions 0.2021.04.25.23.05.stable_00 through 0.2026.05.06.15.42.stable_00 are vulnerable. Users running any stable release between April 2021 and early May 2026 (prior to the patched version) should update immediately. The vulnerability does not affect other terminal emulators unless they share similar clipboard-access design patterns. Development environments where Warp connects to untrusted or semi-trusted remote hosts pose elevated risk.

Exploitability

Exploitability is moderately high because attack surface is broad. Any untrusted terminal output source—a compromised server, a malicious script, a rogue CI/CD job, or even a public log stream—can trigger the vulnerability without special authentication, elevated privileges, or complex prerequisites. The attacker needs only to craft terminal output containing clipboard-access requests; normal user interaction (such as connecting to a terminal or viewing command output) triggers the condition. However, the vulnerability requires at least one user to run Warp and interact with attacker-controlled terminal output, which adds a minimal user-interaction dependency. No public exploit code or KEV listing currently exists, suggesting real-world exploitation is not yet widespread, but the attack surface and low barrier to weaponization warrant urgent patching.

Remediation

Update Warp to version 0.2026.05.06.15.42.stable_01 or later immediately. The patch restricts clipboard operations triggered by terminal output, likely by requiring explicit user confirmation, sandboxing clipboard access, or disabling clipboard escape sequences entirely. After patching, audit any development workflows that involve untrusted remote terminals or public log analysis. Consider implementing network-level monitoring for unusual clipboard activity or terminal escape sequences if available in your terminal logging infrastructure. For teams managing shared development environments or CI/CD systems, enforce Warp version pinning in deployment manifests to prevent rollback to vulnerable versions.

Patch guidance

Visit the Warp release notes or vendor advisory to confirm the exact version numbering and download path for 0.2026.05.06.15.42.stable_01 or later. Most users can update through Warp's built-in update mechanism; however, air-gapped or managed environments should verify vendor package repositories or signed release artifacts. Test the patched version in a non-production environment first to confirm no breaking changes to terminal escape sequences or scripts that depend on clipboard behavior. Once patched, review Warp's changelog to understand what clipboard access controls were modified, as this may affect terminal integrations or automation scripts.

Detection guidance

Monitor Warp process behavior for unusual file descriptor activity targeting clipboard services or X11/Wayland clipboard management sockets. On Linux systems, audit access to /tmp/.X11-unix or Wayland socket paths. Inspect terminal logs for escape sequences that invoke clipboard operations (e.g., OSC 52 sequences if Warp uses them). Endpoint Detection and Response (EDR) tools should flag suspicious clipboard reads or writes from terminal emulator processes. If possible, compare clipboard content snapshots before and after connecting to untrusted remote terminals to detect injection or exfiltration. Organizations with terminal recording or session replay capabilities should audit historical sessions for clipboard-access patterns.

Why prioritize this

This vulnerability should be patched with high urgency (within days, not weeks) because: (1) It requires only network access and user interaction at the terminal, creating broad attack surface; (2) Clipboard compromise is difficult to detect in real time, allowing silent credential or code theft; (3) Affected users are developers and operators who often handle sensitive credentials and code; (4) The five-year window of vulnerable versions suggests widespread deployment; (5) Remote development workflows are increasingly common, multiplying exposure to untrusted terminal output.

Risk score, explained

The CVSS 3.1 score of 8.1 (HIGH) reflects: (1) Network-accessible attack vector (AV:N), as any network-accessible terminal source can trigger the vulnerability; (2) Low attack complexity (AC:L), requiring no special techniques or resources; (3) No privilege requirements (PR:N); (4) User interaction required (UI:R), but only normal terminal usage; (5) Confidentiality impact (C:H), as clipboard reads can exfiltrate sensitive data; (6) Integrity impact (I:H), as clipboard writes can inject malicious content; (7) No availability impact (A:N). The HIGH severity is appropriate for a boundary-crossing trust violation affecting a high-value resource (clipboard) on a developer-focused tool.

Frequently asked questions