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EPSS 0.3%top 83%

Otrs2: [ZSA-2026-12] (CVE-2026-77506)

0
Medium
Published: 08/21/2026 (08/21/2026, 00:00:00 UTC)
Source: GCVE Database
Product: otrs2

Description

CVE-2026-77506 is a medium severity vulnerability affecting multiple specific versions of the Otrs2 product. It has a CVSS 3.1 base score of 4.8, indicating a network attack vector with low complexity but requiring high privileges and user interaction. The vulnerability impacts confidentiality and integrity with no impact on availability. No known exploits are reported in the wild, and the product is not a cloud service.

CVSS v3.1

Score 4.8medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected software

Ubuntu:16.04:LTSmore threats →ghsa
otrs2
pkg:deb/ubuntu/otrs2?arch=source&distro=xenial
Affected versions
=4.0.10-1=5.0.1-1=5.0.1-2=5.0.2-1=5.0.3-1=5.0.5-1=5.0.6-1=5.0.7-1
Ubuntu:18.04:LTSmore threats →ghsa
otrs2
pkg:deb/ubuntu/otrs2?arch=source&distro=bionic
Affected versions
=5.0.23-1=5.0.24-1=6.0.1-1=6.0.2-1=6.0.3-1=6.0.4-1=6.0.5-1
Ubuntu:20.04:LTSmore threats →ghsa
otrs2
pkg:deb/ubuntu/otrs2?arch=source&distro=focal
Affected versions
=6.0.20-1=6.0.23-2=6.0.24-1=6.0.25-1=6.0.25-2=6.0.25-3=6.0.26-1
Ubuntu:22.04:LTSmore threats →ghsa
otrs2
pkg:deb/ubuntu/otrs2?arch=source&distro=jammy
Affected versions
=6.0.32-6=6.1.2-1=6.2.1-1=6.2.2-2
Ubuntu:24.04:LTSmore threats →ghsa
znuny
pkg:deb/ubuntu/znuny?arch=source&distro=noble
Affected versions
=6.5.3-1=6.5.4-1=6.5.5-1=6.5.6-1
Ubuntu:26.04:LTSmore threats →ghsa
znuny
pkg:deb/ubuntu/znuny?arch=source&distro=resolute
Affected versions
=6.5.15-2=6.5.18-1

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/24/2026, 14:00:18 UTC

Technical Analysis

CVE-2026-77506 is a vulnerability in Otrs2 affecting numerous exact versions as listed. The CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N) indicates the vulnerability can be exploited remotely over the network with low attack complexity but requires the attacker to have high privileges and user interaction. The vulnerability affects confidentiality and integrity in a context where scope is changed. No detailed technical description or exploit methods are provided in the available data.

Potential Impact

The vulnerability allows an attacker with high privileges and requiring user interaction to cause limited confidentiality and integrity impacts. There is no availability impact. No known active exploitation has been reported, reducing immediate risk.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or fix links are provided in the available data. Users should monitor vendor advisories for updates and apply patches when available.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-77506
Osv Schema Version
1.7.0
Aliases
[]
Ecosystems
["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
Database Specific Severity
null
Cvss Version
3.1

Threat ID: 6a8c4c4dacd9273b499be131

Added to database: 08/24/2026, 13:51:09 UTC

Last enriched: 08/24/2026, 14:00:18 UTC

Last updated: 08/25/2026, 01:25:46 UTC

Views: 4

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