What is CVE-2024-49580?

CVE-2024-49580 is a medium-severity vulnerability in Jetbrains Ktor, classified under Use of Cache Containing Sensitive Information. CVSS score: 5.3/10. Published 2024-10-17.

How severe is CVE-2024-49580?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Jetbrains Ktor

CVE-2024-49580

In JetBrains Ktor before 2.3.13 improper caching in HttpCache Plugin could lead to response information disclosure

Published 2024-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.4th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Jetbrains Ktor — versions 0

Weakness classification (CWE)

CWE-524 — Use of Cache Containing Sensitive Information

References

www.jetbrains.com/privacy-security/issues-fixed/ (Vendor Advisory)

Frequently asked questions

What is CVE-2024-49580?: CVE-2024-49580 is a medium-severity vulnerability in Jetbrains Ktor, classified under Use of Cache Containing Sensitive Information. CVSS score: 5.3/10. Published 2024-10-17.
How severe is CVE-2024-49580?: Medium severity. CVSS v3 base score is 5.3 out of 10.