Is CVE-2026-33585 in the CISA KEV catalog?

No. CVE-2026-33585 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-33585?

CVE-2026-33585 has a CVSS v3 base score of 3.8 (LOW).

What is the EPSS score for CVE-2026-33585?

CVE-2026-33585 has an EPSS score of 0.13% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-33585?

No published fix for CVE-2026-33585 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-33585

LOW

3.8

CVSS v3

NVD

Description

Improper management of the idle timeout parameter in the Keycloak interface of the Arqit SKA-Platform enables an attacker to impersonate an authenticated tenant user via an unexpired browser session. This issue affects Symmetric Key Agreement Platform: before 26.03.

CWE-233

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.13%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Other references1

cvcn.gov.it

Related Vulnerabilities

Other CWE-233 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-52970	High	8.1	9.8%	-	Fix
CVE-2023-20076	High	7.2	1.5%	-	Fix
CVE-2021-1230	High	8.6	1.5%	-	-
CVE-2024-24525	Critical	9.8	1.1%	-	-
CVE-2024-31808	High	8.8	0.9%	-	-
CVE-2022-45182	Critical	9.8	0.9%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-14.