How severe is CVE-2013-4489?

No CVSS score has been assigned to CVE-2013-4489 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2013-4489?

CVE-2013-4489 affects the following packages: gitlab-grit (RubyGems). Ecosystems affected: RubyGems.

How do I fix CVE-2013-4489?

Update gitlab-grit to 2.6.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2013-4489 is resolved across your whole dependency graph.

How do I detect CVE-2013-4489 in my RubyGems dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for gitlab-grit, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2013-4489 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Is CVE-2013-4489 actively exploited in the wild?

No public exploit code has been indexed for CVE-2013-4489 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2013-4489?

CVE-2013-4489 has an EPSS (Exploit Prediction Scoring System) score of 1.4%, placing it in the 73th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

When was CVE-2013-4489 published, and has it been updated?

CVE-2013-4489 was published on May 17, 2022 and was last updated on December 7, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

💎 RubyGems

Not in CISA KEV

CVE-2013-4489 — gitlab-grit

Fix: gitlabhq/grit@40f33a4

CVE-2013-4489 is a security vulnerability in gitlab-grit. A fix is available for gitlab-grit — see the affected versions and patch details below.

GitLab Grit Gem for Ruby contains a flaw allowing arbitrary commands to be executed

Published

May 17, 2022

Updated

Dec 7, 2024

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 1, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

1.4%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs73th percentile — riskier than 73% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

💎gitlab-grit

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects RubyGems packages — download data is not available via public APIs for these ecosystems.

Description

GitLab Grit Gem for Ruby contains a flaw in the app/contexts/search_context.rb script. The issue is triggered when input passed via the code search box is not properly sanitized, which allows strings to be evaluated by the shell. This may allow a remote attacker to execute arbitrary commands.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
💎RubyGems	`gitlab-grit`	all versions	2.6.1`bundle update gitlab-grit --conservative`

Affected Products

1 product · 8 configurations

Application

gitlabgitlab

8 versions

5.2.05.3.05.4.06.0.06.1.06.2.06.2.16.2.2

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for gitlab-grit, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update gitlab-grit to 2.6.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2013-4489 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

The Grit gem for Ruby, as used in GitLab 5.2 before 5.4.1 and 6.x before 6.2.3, allows remote authenticated users to execute arbitrary commands, as demonstrated by the search box for the GitLab code search feature. GitLab Grit Gem for Ruby contains a flaw in the app/contexts/search_context.rb script. The issue is triggered when input passed via the code search box is not properly sanitized, which allows strings to be evaluated by the shell. This may allow a remote attacker to execute arbitrary commands.

O3 Security · Impact-Aware SCA

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