CVE-2018-5386: Some Navarino Infinity functions, up to version 2.2, placed in the URL can bypass any authentication mechanism

Q: How do I fix CVE-2018-5386?

infinity: upgrade to newer than 2.2. Exact commands for each OS are on this page.

Q: Is CVE-2018-5386 being exploited?

CVE-2018-5386 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-2018-5386 affect?

CVE-2018-5386 affects infinity. Severity is high (CVSS 7.5). Some Navarino Infinity functions, up to version 2.2, placed in the URL can bypass any authentication mechanism leading to an information leak.

Q: How urgent is CVE-2018-5386?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2018-5386 is a high-severity flaw (CVSS 7.5) affecting infinity. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Some Navarino Infinity functions, up to version 2.2, placed in the URL can bypass any authentication mechanism leading to an information leak.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference
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	4.5% (top 9%)
CISA exploited list	No
Weakness	CWE-288, CWE-200
Published	2018-07-24
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: navarino

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

Am I affected?

Timeline

2018-07-24 15:29 UTCPublished CVE record published
2026-06-17 02:00 UTCUpdated Record last modified

navarino infinity UPGRADE

Affected: <= 2.2

Fixed in: newer than 2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade infinity

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-2018-5386?

infinity: upgrade to newer than 2.2. Exact commands for each OS are on this page.

Is CVE-2018-5386 being exploited?

CVE-2018-5386 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-2018-5386 affect?

CVE-2018-5386 affects infinity. Severity is high (CVSS 7.5). Some Navarino Infinity functions, up to version 2.2, placed in the URL can bypass any authentication mechanism leading to an information leak.

How urgent is CVE-2018-5386?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

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References

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