What is CVE-2026-48307?
ColdFusion versions 2025.9, 2023.20 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially resulting in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious link. Scope is changed.
The record classifies CVE-2026-48307 under weakness class CWE-79. Its CVSS v3 base vector states that the flaw is reachable from an adjacent network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 115 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 8.8 — HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - EPSS (FIRST)
- 0.5% probability of exploitation in the next 30 days, higher than 44.3% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 6.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-06-30, last modified 2026-08-27
Is CVE-2026-48307 being exploited?
It currently carries a trending score of 26 in the Threadlinqs vulnerability feed.
Affected products and versions
- Adobe: ColdFusion 2025, ColdFusion 2023
How to fix CVE-2026-48307
Vendor advisory: https://helpx.adobe.com/security/products/coldfusion/apsb26-68.html. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2026-48307
2 tracked threats in the Threadlinqs corpus reference CVE-2026-48307, either in the campaign’s CVE list or as an indicator on the campaign record.
- Multiple Critical Adobe ColdFusion Vulnerabilities (CVE-2026-48276 et al., APSB26-68) Enable Unauthenticated Remote Code Execution — CRITICAL · 2026-07-02
- Adobe ColdFusion & Campaign Classic Priority 1 Patches for 12 Vulnerabilities Including Six Maximum-Severity RCE Flaws (APSB26-68, APSB26-69) — CRITICAL · 2026-07-02
Sources
Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.