CVE-2026-30461: Daylight Studio FuelCMS v1.5.2 was discovered to contain an authenticated remote code execution (RCE) vulnerab

This month

HIGH 8.3DOWNGRADE

CVE-2026-30461 is a high-severity flaw (CVSS 8.3) affecting fuel cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Daylight Studio FuelCMS v1.5.2 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the /controllers/Installer.php and the function add_git_submodule.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-77
Published	2026-04-15
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: thedaylightstudio

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-15 16:16 UTCPublished CVE record published
2026-07-05 17:17 UTCUpdated Record last modified

thedaylightstudio fuel cms DOWNGRADE

Affected: 1.5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.2

1. Check installed version

apt-cache policy fuel-cms || rpm -q fuel-cms || fuel-cms --version

2. No fixed release: DOWNGRADE to a release before 1.5.2 (Debian / Ubuntu)

apt-cache madison fuel-cms sudo apt install fuel-cms=<VERSION_BEFORE_1.5.2> sudo apt-mark hold fuel-cms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list fuel-cms sudo dnf downgrade fuel-cms-<VERSION_BEFORE_1.5.2> sudo dnf versionlock add fuel-cms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-30461?

fuel cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-30461 being exploited?

CVE-2026-30461 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-2026-30461 affect?

CVE-2026-30461 affects fuel cms. Severity is high (CVSS 8.3). Daylight Studio FuelCMS v1.5.2 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the /controllers/Installer.php and the function add_git_submodule.

How urgent is CVE-2026-30461?

Priority 45/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities · Git vulnerabilities

Related CVEs

CVE-2026-30463 HIGH 7.7 DOWNGRADE Daylight Studio FuelCMS v1.5.2 was discovered to contain a SQL injection vulnerability via the /controllers/Lo
CVE-2026-30460 HIGH 8.8 DOWNGRADE Daylight Studio FuelCMS v1.5.2 was discovered to contain an authenticated remote code execution (RCE) vulnerab
CVE-2026-30459 HIGH 7.1 DOWNGRADE An issue in the Forgot Password feature of Daylight Studio FuelCMS v1.5.2 allows unauthenticated attackers to
CVE-2026-30458 CRITICAL 9.1 DOWNGRADE An issue in Daylight Studio FuelCMS v1.5.2 allows attackers to exfiltrate users' password reset tokens via a m
CVE-2026-30457 CRITICAL 9.8 DOWNGRADE DOWNGRADE An issue in the /parser/dwoo component of Daylight Studio FuelCMS v1.5.2 allows attackers to execute arbitrary

References

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