CVE-2025-39565: Deserialization of Untrusted Data vulnerability in Melapress MelaPress Login Security melapress-login-security

Q: How do I fix CVE-2025-39565?

melapress login security: upgrade to 2.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-39565 being exploited?

CVE-2025-39565 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-2025-39565 affect?

CVE-2025-39565 affects melapress login security. Severity is medium (CVSS 6.6). Deserialization of Untrusted Data vulnerability in Melapress MelaPress Login Security melapress-login-security allows Object Injection.This issue affects MelaPress Login Security: from n/a through <= 2.1.0.

Q: How urgent is CVE-2025-39565?

Priority 38/100. No elevated risk signals yet.

Routine

MEDIUM 6.6UPGRADE

CVE-2025-39565 is a medium-severity flaw (CVSS 6.6) affecting melapress login security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Deserialization of Untrusted Data vulnerability in Melapress MelaPress Login Security melapress-login-security allows Object Injection.This issue affects MelaPress Login Security: from n/a through <= 2.1.0.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-502
Published	2025-04-16
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: melapress

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

Am I affected?

Timeline

2025-04-16 13:15 UTCPublished CVE record published
2026-06-17 09:18 UTCUpdated Record last modified

melapress melapress login security UPGRADE

Affected: < 2.1.1

Fixed in: 2.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy melapress-login-security || rpm -q melapress-login-security || melapress-login-security --version

2. UPGRADE to 2.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade melapress-login-security

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade melapress-login-security

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-2025-39565?

melapress login security: upgrade to 2.1.1. Exact commands for each OS are on this page.

Is CVE-2025-39565 being exploited?

CVE-2025-39565 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-2025-39565 affect?

CVE-2025-39565 affects melapress login security. Severity is medium (CVSS 6.6). Deserialization of Untrusted Data vulnerability in Melapress MelaPress Login Security melapress-login-security allows Object Injection.This issue affects MelaPress Login Security: from n/a through <= 2.1.0.

How urgent is CVE-2025-39565?

Priority 38/100. No elevated risk signals yet.

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References

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