What is CVE-2026-82666?

CVE-2026-82666 is a medium-severity vulnerability in Yaojingang Geoflow, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-08-31.

How severe is CVE-2026-82666?

Medium severity. CVSS v3 base score is 4.7 out of 10.

RCE in Yaojingang Geoflow

CVE-2026-82666

A flaw has been found in yaojingang GEOFlow up to 2.1.0. This issue affects the function preview of the file app/Http/Controllers/Admin/SiteThemeEditorController.php of the component Superadmin Theme Editor. This manipulation of the argument blade causes code injection. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 2.1.1 is capable of addressing this issue. Patch name: 67abfd864a15d169a78429f3290c91cb3b93e849. Upgrading the affected component is advised.

Published 2026-08-31 · last modified 2026-08-31.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (41.8th percentile), scored 2026-10-16.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Yaojingang Geoflow — versions 2.0, 2.1.0

Weakness classification (CWE)

References

vuldb.com/vuln/397160 (technical-description, vdb-entry)
vuldb.com/vuln/397160/cti (signature, permissions-required)
vuldb.com/cve/CVE-2026-82666 (third-party-advisory)
vuldb.com/submit/893854 (third-party-advisory)
github.com/yaojingang/GEOFlow/issues/60 (issue-tracking, exploit)
github.com/yaojingang/GEOFlow/pull/61 (issue-tracking, patch)
github.com/yaojingang/GEOFlow/commit/67abfd864a15d169a78429f3290c91cb3b93e849 (patch)
github.com/yaojingang/GEOFlow/releases/tag/v2.1.1 (patch)
github.com/yaojingang/GEOFlow/ (product)

Frequently asked questions

What is CVE-2026-82666?: CVE-2026-82666 is a medium-severity vulnerability in Yaojingang Geoflow, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-08-31.
How severe is CVE-2026-82666?: Medium severity. CVSS v3 base score is 4.7 out of 10.