JetBrains Ktor before 2.1.0 was vulnerable to the Reflect File Download attack
Priority LOW 28CWE-184Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
JetBrains Ktor before 2.1.0 was vulnerable to the Reflect File Download attack
Why it matters now
EPSS 0.00496 42nd percentileScored 2026-11-07
Fix Fixed Ktor (JetBrains): 2.1.0io.ktor:ktor (Maven): 2.1.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| JetBrains | Ktor | 2.1.0 to before 2.1.0 | 2.1.0 | Patch available | CNA |
| — | io.ktor:ktor (Maven) | before 2.1.0 | 2.1.0 | Patch available | GHSA-v866-gwf5-w92f |
- Ktor VendorJetBrains Affected 2.1.0 to before 2.1.0 Fixed in 2.1.0 Patch available CNA
- io.ktor:ktor (Maven) Vendor— Affected before 2.1.0 Fixed in 2.1.0 Patch available GHSA-v866-gwf5-w92f
Remediation
- Fix · CNA Ktor (JetBrains) Fixed in 2.1.0
- Fix · GHSA-v866-gwf5-w92f io.ktor:ktor (Maven) Fixed in 2.1.0 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
JetBrains Ktor 2.1.0
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2022-17874 In JetBrains Ktor before 2.1.0 the wrong authentication provider could be selected in some casesPriority LOW 30
Timeline
- 2026-10-02 Threatist record created from CVE-2022-38179
- 2026-10-03 Alias added: GHSA-v866-gwf5-w92f
References
More JetBrains Ktor vulnerabilities
- TI-2023-24413 In JetBrains Ktor before 2.3.5 default configuration of ContentNegotiation with XML format was vulnerable to XXE CVSS 3.1CRITICAL 9.8
- TI-2019-09527 JetBrains Ktor framework before 1.2.0-rc does not sanitize the username provided by the… CVSS 3.1CRITICAL 9.8
- TI-2023-24414 In JetBrains Ktor before 2.3.5 server certificates were not verified CVSS 3.1CRITICAL 9.1
- TI-2022-24056 In JetBrains Ktor before 2.3.0 path traversal in the `resolveResource` method was possible CVSS 3.1HIGH 7.5
- TI-2022-12277 SHA1 implementation in JetBrains Ktor Native 2.0.0 was returning the same value. CVSS 3.1HIGH 8.7
- TI-2019-07426 JetBrains Ktor framework (created using the Kotlin IDE template) versions before 1.1.0… CVSS 3.0HIGH 8.1
Sources
- CVE-2022-38179 · CVE Program
- CVE-2022-38179 · NVD
- FIRST EPSS
- GHSA-v866-gwf5-w92f · GitHub Advisory Database · CC BY 4.0
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