CVE-2026-109375
MEDIUM
4,9
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: passive
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM
6,1
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: required
Scope: changed
Confidentiality: none
Integrity: high
Availability: none
Description
AI Translation Available
Vercel deepsec from 0.1.0 before 1.1.17 contains a link following vulnerability in extractTarballLocally that allows sandboxed code to write files outside the sandbox by planting links in result tarballs. Attackers controlling sandbox code, such as a prompt-injected coding agent, can plant symbolic or hard links in the host data directory to write arbitrary files on the orchestrator host.
59
Improper Link Resolution Before File Access ('Link Following')
DraftCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Access Control
Other
Potential Impacts:
Read Files Or Directories
Modify Files Or Directories
Bypass Protection Mechanism
Execute Unauthorized Code Or Commands
Applicable Platforms
Operating Systems:
Windows, Unix
https://github.com/vercel-labs/deepsec
https://github.com/vercel-labs/deepsec/commit/c5a4e4220ece72aee67c2ea21f4340e65…
https://github.com/vercel-labs/deepsec/pull/46
https://github.com/vercel-labs/deepsec/pull/47
https://www.vulncheck.com/advisories/vercel-deepsec-before-1.1.17-arbitrary-fil…