HOMEVULNERABILITIESCVE-2026-48321
CRITICAL

CVE-2026-48321

CWE-863Published: July 14, 2026· Updated: Jul 16, 2026

10.0
CVSS v3.1
EPSS:0.52%probability of exploitation in 30 daysPercentile:40.5th

Official Description

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. Exploitation of this issue does not require user interaction. Scope is changed.

NVD Source

Risk Analysis

This critical vulnerability in ColdFusion is an incorrect authorization flaw that could lead to privilege escalation, granting unauthorized read and write access. With a CVSS score of 10.0, this flaw presents the highest possible risk of complete system compromise. The absence of an EPSS score and KEV listing means there's no current indication of widespread exploitation, but the severity demands immediate attention.

No public exploit is currently known for this vulnerability. The flaw is remotely exploitable with low attack complexity, indicating that it could be easily exploited if an exploit becomes available.

Recommended Action

Apply the latest security updates for Adobe ColdFusion 2023 and 2025. Review and enforce robust authorization policies to prevent privilege escalation.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-48321 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 10.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Vendors & Products

Adobe1 product(s)
coldfusion
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (1)

Quick Facts

CVE IDCVE-2026-48321
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-863
CISA KEVNo
EPSS (30d)0.52%
Affected1 vendor(s)
PublishedJul 14, 2026

Related CVEs (CWE-863)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-48321 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.