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TI-2026-65164 Aliases CVE-2026-101266GHSA-v4x7-7x4h-rmj8

Checkout validation bypass

Priority LOW 8CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A logic flaw in the checkout flow allows users to bypass validations performed during the check-in by skipping entire check-in steps.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00266 18th percentileScored 2026-11-07
Fix Fixed pretix (pretix): 2026.5.5, 2026.6.2, 2026.7.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
pretixpretix0.0 to before 2026.5.5; 2026.6.0 to before 2026.6.2; 2026.7.0 to before 2026.7.12026.5.5, 2026.6.2, 2026.7.1Patch availableCNA
  • pretix Vendorpretix Affected 0.0 to before 2026.5.5; 2026.6.0 to before 2026.6.2; 2026.7.0 to before 2026.7.1 Fixed in 2026.5.5, 2026.6.2, 2026.7.1 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:pretix:pretix:*:*:*:*:*:*:*:*——pretix
  • cpe:2.3:a:pretix:pretix:*:*:*:*:*:*:*:* Versions — — ·pretix

Remediation

  • Fix · CNA pretix (pretix) Fixed in 2026.5.5, 2026.6.2, 2026.7.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    pretix — pretix.eu/about/en/blog/20260929-release-2026-7-1

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-65165 Revenue information leakPriority LOW 19
    • TI-2026-65167 Incorrect session validation for API-uploaded filesPriority LOW 11
    • TI-2026-65169 OAuth credentials not disabled when application is disabledPriority LOW 10
    Show all 6 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-101266
  2. 2026-10-03 Alias added: GHSA-v4x7-7x4h-rmj8

References

Advisory 1

  • TI-2024-18268 pretix before 2024.1.1 mishandles file validation. CVSS 3.1CRITICAL 9.8
  • TI-2026-11524 SSRF with API key leak in pretix-oppwa CVSS 4.0CRITICAL 9.0
  • TI-2026-41416 Cross-site scripting in pretix CVSS 4.0HIGH 8.8
  • TI-2026-11523 Session takeover vulnerability CVSS 4.0HIGH 7.7
  • TI-2026-02082 Unsafe variable evaluation in email templates CVSS 4.0HIGH 7.5
  • TI-2026-02081 Unsafe variable evaluation in email templates CVSS 4.0HIGH 7.5
See all 38 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences