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PatchSiren cyber security CVE debrief

CVE-2026-48710 Kludex CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-09-02T00:00:00.000Z and has not been modified since then. The Kludex Starlette vulnerability is an HTTP Request/Response Smuggling Vulnerability. It has been added to the CISA Known Exploited Vulnerabilities catalog. Defenders should prioritize verifying exposure and applying mitigations according to vendor instructions, ensuring compliance with CISA's BOD 26-04 guidance. This vulnerability affects Kludex Starlette deployments, and defenders should assess exposure and apply mitigations according to vendor instructions.

Vendor
Kludex
Product
Starlette
CVSS
MEDIUM 6.5
CISA KEV
Listed
Original CVE published
2026-09-02
Original CVE updated
2026-09-02
Advisory published
2026-09-02
Advisory updated
2026-09-02

Who should care

Defenders responsible for Kludex Starlette deployments should assess exposure and apply mitigations according to vendor instructions. This includes verifying exposure of Kludex Starlette deployments to this vulnerability, applying mitigations according to vendor instructions, and ensuring compliance with CISA's BOD 26-04 guidance. Defenders should prioritize verifying exposure and applying mitigations according to C

Why it matters

Defenders should prioritize verifying exposure and applying mitigations according to vendor instructions, ensuring compliance with CISA's BOD 26-04 guidance, as this vulnerability has been added to the CISA Known Exploited Vulnerabilities catalog.

  • Verify exposure of Kludex Starlette deployments to this vulnerability
  • Apply mitigations according to vendor instructions to prevent exploitation
  • Ensure compliance with CISA's BOD 26-04 guidance to prioritize security updates based on risk

Technical summary

The Kludex Starlette vulnerability is an HTTP Request/Response Smuggling Vulnerability. It has been added to the CISA Known Exploited Vulnerabilities catalog. This vulnerability affects Kludex Starlette and is described as an HTTP Request/Response Smuggling Vulnerability. CISA has added it to the Known Exploited Vulnerabilities catalog. The vulnerability allows an attacker to smuggle HTTP requests and responses, potentially leading to security issues.

Defensive priority

Defenders should prioritize verifying exposure and applying mitigations according to vendor instructions, ensuring compliance with CISA's BOD 26-04 guidance.

Recommended defensive actions

  • Verify exposure of Kludex Starlette to this vulnerability
  • Apply mitigations according to vendor instructions
  • Ensure compliance with CISA's BOD 26-04 guidance

Evidence notes

The vulnerability affects Kludex Starlette and is described as an HTTP Request/Response Smuggling Vulnerability. CISA has added it to the Known Exploited Vulnerabilities catalog.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48710 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48710

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

  • CVE-2026-48710 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48710

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

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

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.