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PatchSiren cyber security CVE debrief

CVE-2026-34476 Apache Software Foundation CVE debrief

A Server-Side Request Forgery vulnerability via the SW-URL Header exists in Apache SkyWalking MCP version 0.1.0. This issue allows attackers to manipulate server-side requests, potentially leading to unauthorized access to sensitive data or disruption of service. Users should upgrade to version 0.2.0, which fixes this issue. The vulnerability is considered high severity, with a CVSS score of 7.1, emphasizing the need for prompt attention and remediation. Affected users must assess their exposure and apply the necessary upgrades to mitigate potential risks.

Vendor
Apache Software Foundation
Product
Apache SkyWalking MCP
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-13
Original CVE updated
2026-10-26
Advisory published
2026-04-13
Advisory updated
2026-10-26

Who should care

Users of Apache SkyWalking MCP version 0.1.0 should assess their exposure to this Server-Side Request Forgery vulnerability and upgrade to version 0.2.0. This vulnerability could lead to unauthorized access or service disruption, making it critical for operators, security teams, and platform administrators to prioritize remediation. Affected users must verify their deployments and apply the necessary upgrades to

Why it matters

A Server-Side Request Forgery vulnerability in Apache SkyWalking MCP requires attention from users of version 0.1.0 to upgrade to version 0.2.0 and assess exposure.

  • Potential unauthorized access to sensitive data
  • Possible disruption of service
  • Need for verification of affected versions and remediation

Technical summary

A Server-Side Request Forgery vulnerability via the SW-URL Header exists in Apache SkyWalking MCP version 0.1.0. This vulnerability allows attackers to manipulate server-side requests, which could lead to unauthorized access or service disruption. The issue is addressed in version 0.2.0. Users of version 0.1.0 should assess their exposure and upgrade to mitigate potential risks. The vulnerability has a high severity score, emphasizing the need for prompt remediation.

Defensive priority

Upgrade to version 0.2.0 to fix the Server-Side Request Forgery vulnerability.

Recommended defensive actions

  • Upgrade to version 0.2.0
  • Review and assess exposure of Apache SkyWalking MCP version 0.1.0
  • Monitor for potential Server-Side Request Forgery attacks

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the Server-Side Request Forgery vulnerability in Apache SkyWalking MCP. The vulnerability is confirmed to exist in version 0.1.0, and users are advised to upgrade to version 0.2.0. Evidence from the CVE record and NVD page indicates that this issue has not been modified since its publication on 2026-04-13T13:16:40.847Z. Further verification of affected versions and remediation is necessary to ensure the security of

Sources and references

Verified primary and authoritative sources

  • CVE-2026-34476 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-34476

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-34476 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-34476

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.