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Description

A security vulnerability has been detected in ErlichLiu claude-agent-sdk-master up to b185aa7ff0d864581257008077b4010fca1747bf. Affected by this vulnerability is an unknown functionality of the file app/api/agent-output/route.ts. The manipulation of the argument outputFile leads to path traversal. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-04-27 | Published 2026-04-28 | Updated 2026-04-28 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Path Traversal

Product status

b185aa7ff0d864581257008077b4010fca1747bf
affected

Timeline

2026-04-27:Advisory disclosed
2026-04-27:VulDB entry created
2026-04-27:VulDB entry last update

Credits

BruceJin (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/359844 (VDB-359844 | ErlichLiu claude-agent-sdk-master route.ts path traversal) vdb-entry technical-description

vuldb.com/vuln/359844/cti (VDB-359844 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/802828 (Submit #802828 | ErlichLiu claude-agent-sdk-master Commit b185aa7ff0d864581257008077b4010fca1747bf Path Traversal) third-party-advisory

github.com/ErlichLiu/claude-agent-sdk-master/issues/5 exploit issue-tracking

github.com/ErlichLiu/claude-agent-sdk-master/ product

cve.org (CVE-2026-7235)

nvd.nist.gov (CVE-2026-7235)

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