How severe is CVE-2026-2556?

CVE-2026-2556 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-2556 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2556?

CVE-2026-2556 affects Cskefu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2556?

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

Does CVE-2026-2556 have an EU (EUVD) identifier?

Yes. CVE-2026-2556 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6089.

When was CVE-2026-2556 published?

CVE-2026-2556 was published on 2026-02-16 and last updated on 2026-06-17.

CVE-2026-2556

CVE-2026-2556 is a medium-severity vulnerability in Cskefu with a CVSS 3.x base score of 6.3. 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6089
Weakness: CWE-918
Affected product: Cskefu
Published: 2026-02-16
Last modified: 2026-06-17

Description

A security vulnerability has been detected in cskefu up to 8.0.1. This issue affects some unknown processing of the file com/cskefu/cc/controller/resource/MediaController.java of the component Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-2556?: A security vulnerability has been detected in cskefu up to 8.0.1. This issue affects some unknown processing of the file com/cskefu/cc/controller/resource/MediaController.java of the component Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-2556?: CVE-2026-2556 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-2556 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2556?: CVE-2026-2556 affects Cskefu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2556?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2556 have an EU (EUVD) identifier?: Yes. CVE-2026-2556 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6089.
When was CVE-2026-2556 published?: CVE-2026-2556 was published on 2026-02-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cskefu:cskefu:*:*:*:*:*:*:*:*

More vulnerabilities in Cskefu

CVE-2022-36521 — High (CVSS 7.5): Insecure permissions in cskefu v7.0.1 allows unauthenticated attackers to arbitrarily add administrator accounts.
CVE-2026-2557 — Low (CVSS 3.5): A vulnerability was detected in cskefu up to 8.0.1. Impacted is the function Upload of the file…

All CVEs affecting Cskefu →

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities

CVE-2026-47938 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by a Server-Side Request Forgery (SSRF)…
CVE-2026-35431 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Microsoft Entra ID Entitlement Management allows an unauthorized attacker to…
CVE-2026-32186 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges over a…
CVE-2026-33107 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Azure Databricks allows an unauthorized attacker to elevate privileges over a…
CVE-2026-32871 — Critical (CVSS 10.0): FastMCP is a Pythonic way to build MCP servers and clients. Prior to version 3.2.0, the OpenAPIProvider in FastMCP…
CVE-2026-32169 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Azure Cloud Shell allows an unauthorized attacker to elevate privileges over a…

Browse all CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities →