CVE-2025-41077: IDOR vulnerability has been found in Viafirma Inbox v4.5.13 that allows any authenticated user without privile

Q: How do I fix CVE-2025-41077?

inbox: upgrade to 4.5.27. Exact commands for each OS are on this page.

Q: Is CVE-2025-41077 being exploited?

CVE-2025-41077 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-2025-41077 affect?

CVE-2025-41077 affects inbox. Severity is high (CVSS 8.1). IDOR vulnerability has been found in Viafirma Inbox v4.5.13 that allows any authenticated user without privileges in the application to list all users, access and modify their data. This allows the user's email addresses to be modified and,

Routine

HIGH 8.1UPGRADE

CVE-2025-41077 is a high-severity flaw (CVSS 8.1) affecting inbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IDOR vulnerability has been found in Viafirma Inbox v4.5.13 that allows any authenticated user without privileges in the application to list all users, access and modify their data. This allows the user's email addresses to be modified and, subsequently, using the password recovery functionality to access the application by impersonating any user, including those with administrative permissions.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-639
Published	2026-01-12
Last modified	2026-06-17

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: viafirma

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

Am I affected?

Timeline

2026-01-12 15:16 UTCPublished CVE record published
2026-06-17 09:22 UTCUpdated Record last modified

viafirma inbox UPGRADE

Affected: < 4.5.27

Fixed in: 4.5.27

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 4.5.27 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade inbox

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-2025-41077?

inbox: upgrade to 4.5.27. Exact commands for each OS are on this page.

Is CVE-2025-41077 being exploited?

CVE-2025-41077 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-2025-41077 affect?

CVE-2025-41077 affects inbox. Severity is high (CVSS 8.1). IDOR vulnerability has been found in Viafirma Inbox v4.5.13 that allows any authenticated user without privileges in the application to list all users, access and modify their data. This allows the user's email addresses to be modified and,

How urgent is CVE-2025-41077?

Priority 32/100. High severity

References

← Back to latest CVEs