How severe is CVE-2026-27307?

CVE-2026-27307 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-27307 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27307?

CVE-2026-27307 primarily affects Adobe Coldfusion. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-27307?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27307 have an EU (EUVD) identifier?

Yes. CVE-2026-27307 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22736.

When was CVE-2026-27307 published?

CVE-2026-27307 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-27307

CVE-2026-27307 is a low-severity vulnerability in Adobe Coldfusion with a CVSS 3.x base score of 2.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22736
Weakness: CWE-400
Affected product: Adobe Coldfusion
Published: 2026-04-14
Last modified: 2026-06-17

Description

ColdFusion versions 2023.18, 2025.6 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. A high-privileged attacker could exploit this vulnerability and exhaust system resources, reducing application speed. Exploitation of this issue does not require user interaction.

Frequently asked questions

What is CVE-2026-27307?: ColdFusion versions 2023.18, 2025.6 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. A high-privileged attacker could exploit this vulnerability and exhaust system resources, reducing application speed. Exploitation of this issue does not require user interaction.
How severe is CVE-2026-27307?: CVE-2026-27307 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-27307 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27307?: CVE-2026-27307 primarily affects Adobe Coldfusion. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-27307?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27307 have an EU (EUVD) identifier?: Yes. CVE-2026-27307 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22736.
When was CVE-2026-27307 published?: CVE-2026-27307 was published on 2026-04-14 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/coldfusion/apsb26-38.html

Affected products (26)

cpe:2.3:a:adobe:coldfusion:2023:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update1:*:*:*:*:*:*
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: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: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:*:*:*:*:*:*

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