Undisclosed LPE in Zammad v1.5.0 to v7.1.0-alpha

Summary

CVECVE-2026-102490
StatePUBLISHED
AssignerDIVD
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-30 17:16:40 UTC
Updated2026-09-30 19:57:08 UTC
DescriptionAll versions of Zammad including the latest alpha enable the local zammad user to escalate privileges to root.

Risk And Classification

Primary CVSS: v4.0 9.4 CRITICAL from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:C/RE:X/U:X


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary9.4CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/C...
4.0CNACVSS8.5HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/A...
4.0CNACVSS9.4CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/A...

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
High

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:C/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Zammad GmbH Zammad affected 1.5.0 7.1.0-alpha semver Linux, Docker
CNA Zammad GmbH Zammad unknown * 1.5.0 semver Linux, Docker

References

ReferenceSourceLinkTags
csirt.divd.nl/DIVD-2026-00015 [email protected] csirt.divd.nl
csirt.divd.nl/CVE-2026-102490 [email protected] csirt.divd.nl
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Earth Grob (Merlon Security) (en)

CNA: Luke paris (Merlon Security) (en)

CNA: Tijmen van der Spijk (Merlon Security) (en)

CNA: Zohar Cochavi (Merlon Security) (en)

CNA: Alje Woltjer (Merlon Security) (en)

CNA: Mischa Rick van Geelen (DIVD) (en)

CNA: Ralph Horn (DIVD) (en)

CNA: Max van der Horst (DIVD) (en)

CNA: Victor Pasman (DIVD) (en)

CNA: Frank Breedijk (DIVD) (en)

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