CVE-2026-27612: Repostat is a React component to fetch and display GitHub repository info

Routine

MEDIUM 6.1UPGRADE

CVE-2026-27612 is a medium-severity flaw (CVSS 6.1) affecting repostat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Repostat is a React component to fetch and display GitHub repository info. Prior to version 1.0.1, the `RepoCard` component is vulnerable to Reflected Cross-Site Scripting (XSS). The vulnerability occurs because the component uses React's `dangerouslySetInnerHTML` to render the repository name (`repo` prop) during the loading state without any sanitization. If a developer using this package passes unvalidated user input directly into the `repo` p

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-02-25
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: denpiligrim

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

Am I affected?

Timeline

2026-02-25 03:16 UTCPublished CVE record published
2026-06-17 10:27 UTCUpdated Record last modified

denpiligrim repostat UPGRADE

Affected: < 1.0.1

Fixed in: 1.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls repostat

2. UPGRADE to 1.0.1

npm install repostat@">=1.0.1"

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-2026-27612?

repostat: upgrade to 1.0.1. Exact commands for each OS are on this page.

Is CVE-2026-27612 being exploited?

CVE-2026-27612 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-2026-27612 affect?

CVE-2026-27612 affects repostat. Severity is medium (CVSS 6.1). Repostat is a React component to fetch and display GitHub repository info. Prior to version 1.0.1, the `RepoCard` component is vulnerable to Reflected Cross-Site Scripting (XSS). The vulnerability occurs because the component uses React's `

How urgent is CVE-2026-27612?

Priority 30/100. Public exploit reference

Software pages

React vulnerabilities · GitHub vulnerabilities

References

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