CVE-2018-12976: In Go Doc Dot Org (gddo) through 2018-06-27, an attacker could use specially crafted <go-import> tags in packa

Q: How do I fix CVE-2018-12976?

go doc dot org: upgrade to newer than 2018-06-27. Exact commands for each OS are on this page.

Q: Is CVE-2018-12976 being exploited?

CVE-2018-12976 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-2018-12976 affect?

CVE-2018-12976 affects go doc dot org. Severity is critical (CVSS 9.8). In Go Doc Dot Org (gddo) through 2018-06-27, an attacker could use specially crafted tags in packages being fetched by gddo to cause a directory traversal and remote code execution.

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-12976 is a critical-severity flaw (CVSS 9.8) affecting go doc dot org. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Go Doc Dot Org (gddo) through 2018-06-27, an attacker could use specially crafted <go-import> tags in packages being fetched by gddo to cause a directory traversal and remote code execution.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
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-22
Published	2018-07-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: godoc

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

Am I affected?

Timeline

2018-07-05 18:29 UTCPublished CVE record published
2026-06-17 01:38 UTCUpdated Record last modified

godoc go doc dot org UPGRADE

Affected: <= 2018-06-27

Fixed in: newer than 2018-06-27

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy go-doc-dot-org || rpm -q go-doc-dot-org || go-doc-dot-org --version

2. UPGRADE to newer than 2018-06-27 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade go-doc-dot-org

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade go-doc-dot-org

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-2018-12976?

go doc dot org: upgrade to newer than 2018-06-27. Exact commands for each OS are on this page.

Is CVE-2018-12976 being exploited?

CVE-2018-12976 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-2018-12976 affect?

CVE-2018-12976 affects go doc dot org. Severity is critical (CVSS 9.8). In Go Doc Dot Org (gddo) through 2018-06-27, an attacker could use specially crafted <go-import> tags in packages being fetched by gddo to cause a directory traversal and remote code execution.

How urgent is CVE-2018-12976?

Priority 62/100. Critical severity; EPSS top 9%: very likely to be exploited; Remotely exploitable, no login, no user action

References

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