CVE-2008-4689: Mantis before 1.1.3 does not unset the session cookie during logout, which makes it easier for remote attacker

Q: How do I fix CVE-2008-4689?

mantis: upgrade to newer than 1.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2008-4689 being exploited?

CVE-2008-4689 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-2008-4689 affect?

CVE-2008-4689 affects mantis. Severity is high (CVSS 7.5). Mantis before 1.1.3 does not unset the session cookie during logout, which makes it easier for remote attackers to hijack sessions.

This month

HIGH 7.5UPGRADE

CVE-2008-4689 is a high-severity flaw (CVSS 7.5) affecting mantis. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mantis before 1.1.3 does not unset the session cookie during logout, which makes it easier for remote attackers to hijack sessions.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-287
Published	2008-10-22
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

2008-10-22 18:00 UTCPublished CVE record published
2026-06-16 22:58 UTCUpdated Record last modified

mantis mantis UPGRADE

Affected: <= 1.1.2 · 0.19.3 · 0.19.4 · 1.0.1 · 1.0.2 · 1.0.3 · 1.0.4 · 1.0.5

Fixed in: newer than 1.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.1.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mantis

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-2008-4689?

mantis: upgrade to newer than 1.1.2. Exact commands for each OS are on this page.

Is CVE-2008-4689 being exploited?

CVE-2008-4689 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-2008-4689 affect?

CVE-2008-4689 affects mantis. Severity is high (CVSS 7.5). Mantis before 1.1.3 does not unset the session cookie during logout, which makes it easier for remote attackers to hijack sessions.

How urgent is CVE-2008-4689?

Priority 47/100. High severity

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References

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