CVE-2026-21273: high-severity vulnerability in Adobe ColdFusion 2023
ColdFusion | Improper Input Validation (CWE-20)
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.9%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Related CVEs — Adobe ColdFusion 2023
In the same product, most dangerous first.
CVE-2026-48282CRITICALColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)EPSS 42.4%KEVCVE-2026-27305HIGHColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)EPSS 26.7%CVE-2026-34619HIGHColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)EPSS 7.9%CVE-2026-27304CRITICALColdFusion | Improper Input Validation (CWE-20)EPSS 3.8%CVE-2026-48362CRITICALColdFusion | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)EPSS 3.5%CVE-2026-48313CRITICALColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)EPSS 3.0%