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CVE-2024-48908

lychee-action vulnerable to arbitrary code injection in composite action

MEDIUM

6.9

CVSS Score

Published: August 28, 2025 at 02:56 PM UTC

Updated: September 26, 2026 at 09:27 PM UTC

1 product affected across 1 vendorLychee Action

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Severity

MEDIUM6.9

Exploit prediction

EPSS 0.4%

SSVC

PoC

Description

lychee link checking action checks links in Markdown, HTML, and text files using lychee. Prior to version 2.0.2, there is a potential attack of arbitrary code injection vulnerability in lychee-setup of the composite action at action.yml. This issue has been patched in version 2.0.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Lychee Action · Lycheeverse

60%

v < 2.0.2

Affected range stops below 2.0.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISC

Source: [email protected]

https://github.com/lycheeverse/lychee-action/commit/7cd0af4c74a61395d455af97419279d86aafaede

x_refsource_CONFIRM

Source: [email protected]

https://github.com/lycheeverse/lychee-action/security/advisories/GHSA-65rg-554r-9j5x

SSVC — Action Prioritization

SSVCPoCAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMGitHub_M

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-94

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