XLSX formula injection in exports

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Summary

CVECVE-2026-12862
StatePUBLISHED
Assignerrami.io
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-22 10:16:18 UTC
Updated2026-06-23 15:42:30 UTC
DescriptionUntrusted user data was passed verbatim to Excel exports for administrators. This allowed formula injection which can be used to compromise the environment of the user loading the file or other data in the file.

Risk And Classification

Primary CVSS: v4.0 5.1 MEDIUM from 655498c3-6ec5-4f0b-aea6-853b334d05a6

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/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:X/R:X/V:X/RE:X/U:X

EPSS: 0.002260000 probability, percentile 0.131630000 (date 2026-06-28)

Problem Types: CWE-148 | CWE-148 CWE-148 Improper neutralization of input leaders

VersionSourceTypeScoreSeverityVector
4.0655498c3-6ec5-4f0b-aea6-853b334d05a6Secondary5.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/C...
4.0CNACVSS5.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/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:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Pretix Venueless affected 0.0.0 0a35457f git Not specified

References

ReferenceSourceLinkTags
github.com/venueless/venueless/security/advisories/GHSA-5hw3-655h-7m86 655498c3-6ec5-4f0b-aea6-853b334d05a6 github.com
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: Rokkam Vamshi (en)

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