onyx

onyx --cves cve-2026-97688

CVE-2026-97688

MEDPython (CPython)
score
0.3
cvss
5.3
epss
0.3%
published
2026-09-29
kev added
—
first seen

urllib3 2.6.2 to 2.8.0 contains a denial of service caused by infinite loop in Deflate decoder retaining trailing bytes in HTTPResponse.stream and HTTPResponse.read_chunked, letting malicious servers cause excessive CPU usage and request hang, exploit requires a malicious chunked Deflate response with trailing bytes.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2026-09-29 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score 0.30.3epss2026-09-30: epss 0.3%2026-10-01: epss 0.3%2026-10-02: epss 0.3%2026-10-03: epss 0.3%2026-10-04: epss 0.3%2026-10-05: epss 0.3%2026-10-06: epss 0.3%2026-10-07: epss 0.3%2026-10-08: epss 0.3%2026-10-09: epss 0.3%2026-10-10: epss 0.3%2026-10-11: epss 0.3%2026-10-12: epss 0.3%2026-10-13: epss 0.3%2026-10-14: epss 0.3%2026-10-15: epss 0.3%2026-10-16: epss 0.3%2026-10-18: epss 0.3%2026-10-19: epss 0.3%2026-10-20: epss 0.3%2026-10-21: epss 0.3%0.3%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-835

References 3