CVE-2026-12862

XLSX formula injection in exports

MEDIUM

5.1

CVSS Score

Published: June 22, 2026 at 08:26 AM UTC

Updated: October 25, 2026 at 11:10 PM UTC

1 product affected across 1 vendorVenueless

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Severity

MEDIUM5.1

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

Untrusted 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Venueless · Pretix

90%

0.0.0 ≤ v < 0a35457f0.0.0

Affected range stops below 0a35457f, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

https://github.com/venueless/venueless/security/advisories/GHSA-5hw3-655h-7m86

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMrami.io

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-148

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