CVE-2026-21273

ColdFusion | Improper Input Validation (CWE-20)

Published Aug 11, 2026 CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Description
is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Adobe coldfusion
CPEs cpe:2.3:a:adobe:coldfusion:2023:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update10:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update11:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update12:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update13:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update14:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update15:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update16:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update17:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update18:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update19:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update20:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update21:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update22:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update5:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update6:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update7:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update8:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update9:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update10:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update11:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update5:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update6:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update7:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update8:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2025:update9:*:*:*:*:*:*
Vendors & Products Adobe coldfusion
Type Values Removed Values Added
First Time appeared Adobe
Adobe coldfusion 2023
Adobe coldfusion 2025
Vendors & Products Adobe
Adobe coldfusion 2023
Adobe coldfusion 2025
Type Values Removed Values Added
Description is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.
Title ColdFusion | Improper Input Validation (CWE-20)
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
adobe
Published
Updated
Aug 27, 2026, 10:34 PM
Reserved
Dec 12, 2025, 10:01 PM
Status
Analyzed
Published
Aug 11, 2026, 5:17 PM
Modified
Aug 28, 2026, 12:16 AM