High 8.8Published Sep 29, 2026

CVE-2026-67993basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f contains a login cross-site request forgery issue in the static credentials callback.

Updated under an hour ago (2026-10-19 08:50 UTC)

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EPSS puts the chance of exploitation in the next 30 days at 0.15%, higher than 4% of scored CVEs.

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Exploited in the last 30 days

basecamp/upright at commit efe4f2e5254ac6e57e45d2261804cca74dbbca3f contains a login cross-site request forgery issue in the static credentials callback.

CVSS: 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-352
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.15% (percentile 4)
Assigned by: mitre
NVD analysis: Deferred
Record last updated: Sep 30, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

No affected products are listed yet.

References

https://github.com/basecamp/upright
https://github.com/basecamp/upright/blob/efe4f2e5254ac6e57e45d2261804cca74dbbca3f/app/controllers/upright/sessions_controller.rb#L3

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.