CVE-2026-48440
HIGH 8.1ColdFusion is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.
ELEVATED IMPACT
Severe if exploited (CVSS 8.1), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
0.6%chance of exploitation in 30 days · 47th percentile
○ In CISA KEV
○ Public exploit / PoC
Impact if exploited
8.1CVSS 3.1 · HIGH
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ✓User interaction: No user interaction needed
- ⚠Complexity: Needs a race window or specific setup
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-48440/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-2026-48440/poc.json
Weakness (CWE)
- CWE-122: Heap-based Buffer Overflow (CWE-122)
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2023 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
| Adobe | Coldfusion | 2025 |
All CVSS metrics
- HIGH 8.1 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - HIGH 8.1 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H