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3 vulnerabilities found for Claude Desktop Cowork by Anthropic
CVE-2026-7574 (GCVE-0-2026-7574)
Vulnerability from nvd – Published: 2026-06-23 23:54 – Updated: 2026-06-24 13:04
VLAI
Title
Anthropic Claude Desktop Cowork VM Image Contents Not Validated Before Use
Summary
Anthropic Claude Desktop Cowork VM image handling (confirmed across v1.1348.0 through v1.2278.0, including v1.1348.0, v1.1617.0, and v1.2278.0) validates only file presence and a version marker string before booting rootfs.img, but does not verify image content integrity at time-of-use. A local attacker with unprivileged code execution as the victim macOS user can modify the VM root filesystem image and have it trusted on subsequent Cowork VM boots, enabling persistent arbitrary code execution in the VM and access to host-mounted directories. The estimated CWE mapping is CWE-353 (Missing Support for Integrity Check).
Severity
8.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-353 - Missing support for integrity check
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cfp.recon.cx/recon-2026/talk/DZUQYU/ | related |
| https://takeonme.org/gcves/GCVE-1337-2026-0000000… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Anthropic | Claude Desktop Cowork |
Affected:
1.1348.0 , ≤ 1.2278.0
(semver)
|
Credits
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GCVE-1337-2026-000000000… (CVE-2026-7574)
Vulnerability from gna-1337 – Published: 2026-06-23 23:54 – Updated: 2026-06-23 23:54
VLAI
Title
Anthropic Claude Desktop Cowork VM Image Contents Not Validated Before Use
Summary
Anthropic Claude Desktop Cowork VM image handling (confirmed across v1.1348.0 through v1.2278.0, including v1.1348.0, v1.1617.0, and v1.2278.0) validates only file presence and a version marker string before booting rootfs.img, but does not verify image content integrity at time-of-use. A local attacker with unprivileged code execution as the victim macOS user can modify the VM root filesystem image and have it trusted on subsequent Cowork VM boots, enabling persistent arbitrary code execution in the VM and access to host-mounted directories. The estimated CWE mapping is CWE-353 (Missing Support for Integrity Check).
Severity
8.7 (High)
CWE
- CWE-353 - Missing support for integrity check
References
2 references
| URL | Tags |
|---|---|
| https://cfp.recon.cx/recon-2026/talk/DZUQYU/ | related |
| https://takeonme.org/gcves/GCVE-1337-2026-0000000… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Anthropic | Claude Desktop Cowork |
Affected:
1.1348.0 , ≤ 1.2278.0
(semver)
|
Credits
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CVE-2026-7574 (GCVE-0-2026-7574)
Vulnerability from cvelistv5 – Published: 2026-06-23 23:54 – Updated: 2026-06-24 13:04
VLAI
Title
Anthropic Claude Desktop Cowork VM Image Contents Not Validated Before Use
Summary
Anthropic Claude Desktop Cowork VM image handling (confirmed across v1.1348.0 through v1.2278.0, including v1.1348.0, v1.1617.0, and v1.2278.0) validates only file presence and a version marker string before booting rootfs.img, but does not verify image content integrity at time-of-use. A local attacker with unprivileged code execution as the victim macOS user can modify the VM root filesystem image and have it trusted on subsequent Cowork VM boots, enabling persistent arbitrary code execution in the VM and access to host-mounted directories. The estimated CWE mapping is CWE-353 (Missing Support for Integrity Check).
Severity
8.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-353 - Missing support for integrity check
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cfp.recon.cx/recon-2026/talk/DZUQYU/ | related |
| https://takeonme.org/gcves/GCVE-1337-2026-0000000… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Anthropic | Claude Desktop Cowork |
Affected:
1.1348.0 , ≤ 1.2278.0
(semver)
|
Credits
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