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CVE-2018-12116: Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced

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HIGH 7.5REMOTEWATCHLISTUPGRADEDOWNGRADEMITIGATE

CVE-2018-12116 is a high-severity flaw (CVSS 7.5) affecting node.js, suse enterprise storage, suse linux enterprise server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the `path` option of an HTTP request, then data can be provided which will trigger a second, unexpected, and user-defined HTTP request to made to the same server.

Why this priority

  • High severity
  • EPSS top 8%: very likely to be exploited
  • Remotely exploitable, no login, no user action
  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance4.6% (top 8%)
CISA exploited listNo
WeaknessCWE-115
Published2018-11-28
Last modified2026-10-08
Publisher (CNA): Node.js · Vendor: nodejs · suse

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Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

nodejs node.js UPGRADE
Affected: >= 6.0.0 and <= 6.8.1 · >= 6.9.0 and < 6.15.0 · >= 8.0.0 and <= 8.8.1 · >= 8.9.0 and < 8.14.0
Fixed in: 6.15.0, 8.14.0
Safe to downgrade to: a release before 6.0.0
1. Check installed version
apt-cache policy node.js || rpm -q node.js || node.js --version
2. UPGRADE to 6.15.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade node.js
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade node.js
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 6.0.0 (Debian / Ubuntu)
apt-cache madison node.js sudo apt install node.js=<VERSION_BEFORE_6.0.0> sudo apt-mark hold node.js
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list node.js sudo dnf downgrade node.js-<VERSION_BEFORE_6.0.0> sudo dnf versionlock add node.js
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
suse suse enterprise storage DOWNGRADE
Affected: 4
Fixed in: no fixed release known
Safe to downgrade to: a release before 4
1. Check installed version
apt-cache policy suse-enterprise-storage || rpm -q suse-enterprise-storage || suse-enterprise-storage --version
2. No fixed release: DOWNGRADE to a release before 4 (Debian / Ubuntu)
apt-cache madison suse-enterprise-storage sudo apt install suse-enterprise-storage=<VERSION_BEFORE_4> sudo apt-mark hold suse-enterprise-storage
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list suse-enterprise-storage sudo dnf downgrade suse-enterprise-storage-<VERSION_BEFORE_4> sudo dnf versionlock add suse-enterprise-storage
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
suse suse linux enterprise server MITIGATE
Affected: 12 · 15
Fixed in: no fixed release known
Safe to downgrade to: a release before 12
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
suse suse openstack cloud MITIGATE
Affected: 7 · 8
Fixed in: no fixed release known
Safe to downgrade to: a release before 7
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
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-2018-12116?

node.js: upgrade to 6.15.0, 8.14.0; suse enterprise storage: downgrade or apply the listed mitigation; suse linux enterprise server: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-12116 being exploited?

CVE-2018-12116 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-2018-12116 affect?

CVE-2018-12116 affects node.js, suse enterprise storage, suse linux enterprise server. Severity is high (CVSS 7.5). Node.js: All versions prior to Node.js 6.15.0 and 8.14.0: HTTP request splitting: If Node.js can be convinced to use unsanitized user-provided Unicode data for the `path` option of an HTTP request, then data can be provided which will trigg

How urgent is CVE-2018-12116?

Priority 59/100. High severity; EPSS top 8%: very likely to be exploited; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Node.js vulnerabilities · OpenStack vulnerabilities

Related CVEs

References

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