How severe is CVE-2026-2131?

CVE-2026-2131 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-2026-2131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2131?

CVE-2026-2131 affects Xixianliang Harmonyos Mcp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2131?

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

Does CVE-2026-2131 have an EU (EUVD) identifier?

Yes. CVE-2026-2131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5817.

When was CVE-2026-2131 published?

CVE-2026-2131 was published on 2026-02-08 and last updated on 2026-06-17.

CVE-2026-2131

CVE-2026-2131 is a medium-severity vulnerability in Xixianliang Harmonyos Mcp Server with a CVSS 3.x base score of 6.3. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5817
Weakness: CWE-78
Affected product: Xixianliang Harmonyos Mcp Server
Published: 2026-02-08
Last modified: 2026-06-17

Description

A vulnerability was identified in XixianLiang HarmonyOS-mcp-server 0.1.0. This vulnerability affects the function input_text. The manipulation of the argument text leads to os command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Frequently asked questions

What is CVE-2026-2131?: A vulnerability was identified in XixianLiang HarmonyOS-mcp-server 0.1.0. This vulnerability affects the function input_text. The manipulation of the argument text leads to os command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
How severe is CVE-2026-2131?: CVE-2026-2131 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-2026-2131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2131?: CVE-2026-2131 affects Xixianliang Harmonyos Mcp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2131 have an EU (EUVD) identifier?: Yes. CVE-2026-2131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5817.
When was CVE-2026-2131 published?: CVE-2026-2131 was published on 2026-02-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xixianliang:harmonyos_mcp_server:0.1.0:*:*:*:*:*:*:*

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →