What is CVE-2026-48321?
ColdFusion is affected by an Incorrect Authorization vulnerability that could result in privilege escalation. An attacker could leverage this vulnerability to gain unauthorized read and write access. The vulnerable component is restricted to an administrative network zone by default. Exploitation of this issue does not require user interaction. Scope is changed.
The record classifies CVE-2026-48321 under weakness class CWE-863. Its CVSS v3 base vector states that the flaw is reachable from an adjacent network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 106 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.3 — CRITICAL
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N - EPSS (FIRST)
- 0.4% probability of exploitation in the next 30 days, higher than 33.3% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-07-14, last modified 2026-08-27
Is CVE-2026-48321 being exploited?
It currently carries a trending score of 21 in the Threadlinqs vulnerability feed.
Affected products and versions
- Adobe: ColdFusion 2025, ColdFusion 2023
How to fix CVE-2026-48321
No vendor patch reference has been recorded for CVE-2026-48321 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-48321
1 tracked threat in the Threadlinqs corpus references CVE-2026-48321, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on .