CVE-2020-7671: goliath through 1.0.6 allows request smuggling attacks where goliath is used as a backend and a frontend proxy

Q: How do I fix CVE-2020-7671?

goliath: upgrade to newer than 1.0.6. Exact commands for each OS are on this page.

Q: Is CVE-2020-7671 being exploited?

CVE-2020-7671 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-7671 affect?

CVE-2020-7671 affects goliath. Severity is high (CVSS 7.5). goliath through 1.0.6 allows request smuggling attacks where goliath is used as a backend and a frontend proxy also being vulnerable. It is possible to conduct HTTP request smuggling attacks by sending the Content-Length header twice. Furth

Q: How urgent is CVE-2020-7671?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2020-7671 is a high-severity flaw (CVSS 7.5) affecting goliath. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

goliath through 1.0.6 allows request smuggling attacks where goliath is used as a backend and a frontend proxy also being vulnerable. It is possible to conduct HTTP request smuggling attacks by sending the Content-Length header twice. Furthermore, invalid Transfer Encoding headers were found to be parsed as valid which could be leveraged for TE:CL smuggling attacks.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-444
Published	2020-06-10
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: goliath project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-06-10 16:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

goliath project goliath UPGRADE

Affected: <= 1.0.6

Fixed in: newer than 1.0.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy goliath || rpm -q goliath || goliath --version

2. UPGRADE to newer than 1.0.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade goliath

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade goliath

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-7671?

goliath: upgrade to newer than 1.0.6. Exact commands for each OS are on this page.

Is CVE-2020-7671 being exploited?

CVE-2020-7671 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-7671 affect?

CVE-2020-7671 affects goliath. Severity is high (CVSS 7.5). goliath through 1.0.6 allows request smuggling attacks where goliath is used as a backend and a frontend proxy also being vulnerable. It is possible to conduct HTTP request smuggling attacks by sending the Content-Length header twice. Furth

How urgent is CVE-2020-7671?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

References

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