Is CVE-2026-48589 in the CISA KEV catalog?

No. CVE-2026-48589 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-48589?

CVE-2026-48589 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2026-48589?

CVE-2026-48589 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48589?

Upgrade shiro to 2.2.1 or later.

CVE & CISA-KEV Catalog

CVE-2026-48589

MEDIUM

5.4

CVSS v3

NVD

Description

Apache Shiro’s Jakarta EE module used the HTTP Referer header in certain cases to issue redirect after a user login. In affected versions, insufficient validation of this client-controlled value could allow an attacker to influence the redirect target in applications using the Jakarta EE module. This issue affects Apache Shiro from 2.0-alpha to 2.2.0, and 3.0.0-alpha-1, only when using shiro-jakarta-ee integration module.

CWE-601Open Redirect

How to fix

Remediation Available

shiroNVD

Affected:>= 2.0.0, < 2.2.1Fixed in:2.2.1CVE-2026-48589derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Vendor Advisory1

shiro.apache.org

Third-Party Advisory1

openwall.com

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-4123	High	7.6	98%	-	Fix
CVE-2018-11784	Medium	4.3	94%	-	Fix
CVE-2021-22881	Medium	6.1	87%	-	Fix
CVE-2022-45402	Medium	6.1	82%	-	Fix
CVE-2017-1000117	High	8.8	78%	-	Fix
CVE-2019-10098	Medium	6.1	74%	-	Fix

Embed a live status badge for CVE-2026-48589

Markdown

[![CVE-2026-48589](https://tridentstack.com/cve/badge/CVE-2026-48589.svg)](https://tridentstack.com/cve/CVE-2026-48589)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-48589"><img src="https://tridentstack.com/cve/badge/CVE-2026-48589.svg" alt="CVE-2026-48589"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-05-28.