PT-2026-35681 · Erlichliu · Claude Agent Sdk

Brucejin · Published 2026-04-28 · Updated 2026-04-28 · CVE-2026-7235

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions ErlichLiu claude-agent-sdk-master versions up to b185aa7ff0d864581257008077b4010fca1747bf

Description A path traversal issue exists in the 'app/api/agent-output/route.ts' file. A remote attacker can exploit this by manipulating the outputFile argument, allowing unauthorized access to files or directories outside the intended folder.

Recommendations As a temporary workaround, restrict access to the 'app/api/agent-output/route.ts' endpoint or avoid using the outputFile argument until a fix is provided. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-7235

Affected Products

Claude Agent Sdk

References · 8

• 🔥 https://github.com/ErlichLiu/claude-agent-sdk-master/issues/5 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7235 · Security Note
• https://vuldb.com/vuln/359844 · Note
• https://vuldb.com/submit/802828 · Note
• https://github.com/ErlichLiu/claude-agent-sdk-master · Note
• https://vuldb.com/vuln/359844/cti · Note
• https://twitter.com/VulmonFeeds/status/2049129401313337855 · Twitter Post
• https://t.me/CVEtracker/52059 · Telegram Post