CVE-2006-0665: Unspecified vulnerability in (1) query_store.php and (2) manage_proj_create.php in Mantis before 1.0.0 has unk

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HIGH 10.0DOWNGRADE

CVE-2006-0665 is a high-severity flaw (CVSS 10.0) affecting mantis. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in (1) query_store.php and (2) manage_proj_create.php in Mantis before 1.0.0 has unknown impact and attack vectors. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information. An original vendor bug report is referenced, but not accessible to the general public.

Why this priority

Critical severity

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2006-02-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mantis

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-02-13 11:06 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

mantis mantis DOWNGRADE

Affected: 0.17.1 · 0.17.2 · 0.17.3 · 0.17.4 · 0.17.4a · 0.17.5 · 0.18 · 0.18.0_rc1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.17.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.17.1 (Debian / Ubuntu)

apt-cache madison mantis sudo apt install mantis=<VERSION_BEFORE_0.17.1> sudo apt-mark hold mantis

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

dnf --showduplicates list mantis sudo dnf downgrade mantis-<VERSION_BEFORE_0.17.1> sudo dnf versionlock add mantis

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-2006-0665?

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

Is CVE-2006-0665 being exploited?

CVE-2006-0665 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-2006-0665 affect?

CVE-2006-0665 affects mantis. Severity is high (CVSS 10.0). Unspecified vulnerability in (1) query_store.php and (2) manage_proj_create.php in Mantis before 1.0.0 has unknown impact and attack vectors. NOTE: the provenance of this information is unknown; the details are obtained solely from third p

How urgent is CVE-2006-0665?

Priority 55/100. Critical severity

Software pages

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References

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