How severe is CVE-2026-48399?

CVE-2026-48399 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-48399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48399?

CVE-2026-48399 primarily affects Adobe Campaign. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-48399?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-48399 published?

CVE-2026-48399 was published on 2026-08-03 and last updated on 2026-08-06.

CVE-2026-48399

CVE-2026-48399 is a high-severity vulnerability in Adobe Campaign with a CVSS 3.x base score of 7.5. 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-657.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-657
Affected product: Adobe Campaign
Published: 2026-08-03
Last modified: 2026-08-06

Description

Adobe Campaign Classic (ACC) is affected by a Violation of Secure Design Principles vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized read access. Exploitation of this issue does not require user interaction.

Frequently asked questions

What is CVE-2026-48399?: Adobe Campaign Classic (ACC) is affected by a Violation of Secure Design Principles vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized read access. Exploitation of this issue does not require user interaction.
How severe is CVE-2026-48399?: CVE-2026-48399 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-48399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48399?: CVE-2026-48399 primarily affects Adobe Campaign. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-48399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-48399 published?: CVE-2026-48399 was published on 2026-08-03 and last updated on 2026-08-06.

References

https://helpx.adobe.com/security/products/campaign/apsb26-120.html

Affected products (5)

cpe:2.3:a:adobe:campaign:*:*:*:*:classic:*:*:*
cpe:2.3:a:adobe:campaign:7.4.3:9394:*:*:classic:*:*:*
cpe:2.3:a:adobe:campaign:7.4.3:9396:*:*:classic:*:*:*
cpe:2.3:a:adobe:campaign:7.4.3:9397:*:*:classic:*:*:*
cpe:2.3:a:adobe:campaign:7.4.3:9398:*:*:classic:*:*:*

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