CVE-2026-97200 Benoitc hackney - Allocation of Resources Without Limits or Throttling

Benoitc hackney 2.0.0-beta.1 before 4.9.0 contains an allocation of resources without limits or throttling caused by unbounded buffering of oversized or compressed HTTP response bodies in hackney_conn, letting malicious HTTP servers exhaust client memory, exploit requires attacker to control server response.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Allocation of Resources Without Limits or Throttling
Impact
Denial Of Service
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
26 October 2026
Updated
27 October 2026
Weakness
CWE-409

Vendor fix

Update to version 4.9.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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