CVE-2024-8763: A Regular Expression Denial of Service (ReDoS) vulnerability exists in the lunary-ai/lunary repository, specif

Q: How do I fix CVE-2024-8763?

lunary: upgrade to 1.4.23. Exact commands for each OS are on this page.

Q: Is CVE-2024-8763 being exploited?

CVE-2024-8763 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-2024-8763 affect?

CVE-2024-8763 affects lunary. Severity is high (CVSS 7.5). A Regular Expression Denial of Service (ReDoS) vulnerability exists in the lunary-ai/lunary repository, specifically in the compileTextTemplate function. The affected version is git be54057. An attacker can exploit this vulnerability by man

Q: How urgent is CVE-2024-8763?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2024-8763 is a high-severity flaw (CVSS 7.5) affecting lunary. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Regular Expression Denial of Service (ReDoS) vulnerability exists in the lunary-ai/lunary repository, specifically in the compileTextTemplate function. The affected version is git be54057. An attacker can exploit this vulnerability by manipulating the regular expression /{{(.*?)}}/g, causing the server to hang indefinitely and become unresponsive to any requests. This is due to the regular expression's susceptibility to second-degree polynomial

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-1333
Published	2025-03-20
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: lunary

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

Am I affected?

Timeline

2025-03-20 10:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

lunary lunary UPGRADE

Affected: < 1.4.23

Fixed in: 1.4.23

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lunary || rpm -q lunary || lunary --version

2. UPGRADE to 1.4.23 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lunary

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lunary

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-2024-8763?

lunary: upgrade to 1.4.23. Exact commands for each OS are on this page.

Is CVE-2024-8763 being exploited?

CVE-2024-8763 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-2024-8763 affect?

CVE-2024-8763 affects lunary. Severity is high (CVSS 7.5). A Regular Expression Denial of Service (ReDoS) vulnerability exists in the lunary-ai/lunary repository, specifically in the compileTextTemplate function. The affected version is git be54057. An attacker can exploit this vulnerability by man

How urgent is CVE-2024-8763?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Git vulnerabilities

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References

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