How severe is CVE-2026-8482?

CVE-2026-8482 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-8482 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-8482?

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

When was CVE-2026-8482 published?

CVE-2026-8482 was published on 2026-07-02.

CVE-2026-8482

CVE-2026-8482 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-532.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Published: 2026-07-02
Last modified: 2026-07-02

Description

A vulnerability was discovered on StormShield Network Security 4.3.0 to 4.3.41 (included), 4.8.0 to 4.8.15 (included) , 5.0.0 to 5.0.5 (included) There is a possible leak of secret information if administration commands have been passed with the CLI command line tool. Someone with SSH access to the firewall (if SSH multiuser mode is enabled) could possibly get the proxy CA passphrase or TPM password.

Frequently asked questions

What is CVE-2026-8482?: A vulnerability was discovered on StormShield Network Security 4.3.0 to 4.3.41 (included), 4.8.0 to 4.8.15 (included) , 5.0.0 to 5.0.5 (included) There is a possible leak of secret information if administration commands have been passed with the CLI command line tool. Someone with SSH access to the firewall (if SSH multiuser mode is enabled) could possibly get the proxy CA passphrase or TPM password.
How severe is CVE-2026-8482?: CVE-2026-8482 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-8482 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-8482?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-8482 published?: CVE-2026-8482 was published on 2026-07-02.

References

https://advisories.stormshield.eu/2025-007/

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