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CVE-2026-34884

Apache Skywalking Mcp server-side request forgery (SSRF)

9.8 CRITICALEPSS 0.69%
  1. Published18 Aug 2026

Description

SSRF via set_skywalking_url Tool and GraphQL expression injection vulnerability in Apache SkyWalking MCP. This issue affects Apache SkyWalking MCP: 0.1.0. Users are recommended to upgrade to version 0.2.0, which fixes this issue.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Apache Skywalking Mcp≥ 0.1.0 < 0.2.0

Remediation

Fixed in
Apache Skywalking Mcp≥ 0.2.0

References

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Frequently asked

Is CVE-2026-34884 being actively exploited?

CVE-2026-34884 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.69%.

How severe is CVE-2026-34884?

CVE-2026-34884 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.69% probability of exploitation.

Which products are affected by CVE-2026-34884?

Affected products include Apache Skywalking Mcp.

How do I fix CVE-2026-34884?

Upgrade affected software to a fixed version, for example Apache Skywalking Mcp 0.2.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-34884 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.