How severe is CVE-2026-0499?

CVE-2026-0499 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-0499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-0499?

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

Does CVE-2026-0499 have an EU (EUVD) identifier?

Yes. CVE-2026-0499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2386.

When was CVE-2026-0499 published?

CVE-2026-0499 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2026-0499

CVE-2026-0499 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2386
Weakness: CWE-79
Published: 2026-01-13
Last modified: 2026-06-17

Description

SAP NetWeaver Enterprise Portal allows an unauthenticated attacker to inject malicious scripts into a URL parameter. The scripts are reflected in the server response and executed in a user's browser when the crafted URL is visited, leading to theft of session information, manipulation of portal content, or user redirection, resulting in a low impact on the application's confidentiality and integrity, with no impact on availability.

Frequently asked questions

What is CVE-2026-0499?: SAP NetWeaver Enterprise Portal allows an unauthenticated attacker to inject malicious scripts into a URL parameter. The scripts are reflected in the server response and executed in a user's browser when the crafted URL is visited, leading to theft of session information, manipulation of portal content, or user redirection, resulting in a low impact on the application's confidentiality and integrity, with no impact on availability.
How severe is CVE-2026-0499?: CVE-2026-0499 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-0499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-0499?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-0499 have an EU (EUVD) identifier?: Yes. CVE-2026-0499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2386.
When was CVE-2026-0499 published?: CVE-2026-0499 was published on 2026-01-13 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
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CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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