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CVE-2026-48321

CRITICAL 9.3

Published 2026-07-14 · Last modified 2026-07-16

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.

ELEVATED IMPACT

Severe if exploited (CVSS 9.3), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

0.5%chance of exploitation in 30 days · 41st percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

9.3CVSS 3.1 · CRITICAL

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityNone

What an attacker needs

  • ⚠Access: Must sit on the same / adjacent network
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-48321/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-48321/poc.json

Affected

Vendors Adobe

Products Coldfusion 2025 Coldfusion 2023 Coldfusion

Weakness (CWE)

  • CWE-863: Incorrect Authorization (CWE-863)

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Known Affected Software Configurations

VendorProductVersion range
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2023
AdobeColdfusion2025
AdobeColdfusion2025
AdobeColdfusion2025
AdobeColdfusion2025
AdobeColdfusion2025
AdobeColdfusion2025
AdobeColdfusion2025
AdobeColdfusion2025
AdobeColdfusion2025
AdobeColdfusion2025
AdobeColdfusion2025

All CVSS metrics

  • CRITICAL 9.3 v3.1 · CNA Primary
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
  • CRITICAL 9.3 v3.1 · NVD Secondary
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
  • CRITICAL 10 v3.1 · NVD Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

Advisories

Sources: NVD · CVE.org · EPSS