Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

PYSEC-2026-354 Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

deephyper (>=0.1.10, <=0.1.11), l2hmc (>=0.1.0, <=0.13.0) +12 more potentially affected by CVE-2026-31234 via horovod (>=0.19.5, <=0.28.1)

horovod PYPI version =0.19.5, =0.1.10, =0.1.0, =0.1.1, =0.0.0a0, =0.0.3, =0.0.1.0, =0.1.0, =0.1.2, =0.1.8 - zetascale 0.7.1 Source cves: CVE-2026-31234 Source advisory: OSV:PYSEC-2026-354...

Horovod Vulnerable to Command Injection

Horovod versions up to and including v0.28.1 are vulnerable to unauthenticated remote code execution. The vulnerability is due to improper handling of base64-encoded data in the ElasticRendezvousHandler, a subclass of KVStoreHandler. Specifically, the putvalue method in ElasticRendezvousHandler...

deephyper (>=0.1.10, <=0.1.11), l2hmc (>=0.1.0, <=0.13.0) +12 more potentially affected by CVE-2024-10190 via horovod (>=0.19.5, <=0.28.1)

horovod PYPI version =0.19.5, =0.1.10, =0.1.0, =0.1.1, =0.0.0a0, =0.0.3, =0.0.1.0, =0.1.0, =0.1.2, =0.1.8 - zetascale 0.7.1 Source cves: CVE-2024-10190 Source advisory: OSV:PYSEC-2026-355...

PYSEC-2026-355 Horovod Vulnerable to Command Injection

Horovod versions up to and including v0.28.1 are vulnerable to unauthenticated remote code execution. The vulnerability is due to improper handling of base64-encoded data in the ElasticRendezvousHandler, a subclass of KVStoreHandler. Specifically, the putvalue method in ElasticRendezvousHandler...

PT-2026-53443

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

PT-2026-53444

Horovod versions up to and including v0.28.1 are vulnerable to unauthenticated remote code execution. The vulnerability is due to improper handling of base64-encoded data in the ElasticRendezvousHandler, a subclass of KVStoreHandler. Specifically, the put value method in ElasticRendezvousHandler...

CVE-2026-31234

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

EUVD-2026-29557

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

GHSA-MF8F-X4R3-JM8C Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

deephyper (>=0.1.10, <=0.1.11), l2hmc (>=0.1.0, <=0.13.0) +12 more potentially affected by CVE-2026-31234 via horovod (>=0.19.5, <=0.28.1)

horovod PYPI version =0.19.5, =0.1.10, =0.1.0, =0.1.1, =0.0.0a0, =0.0.3, =0.0.1.0, =0.1.0, =0.1.2, =0.1.8 - zetascale 0.7.1 Source cves: CVE-2026-31234 Source advisory: OSV:GHSA-MF8F-X4R3-JM8C...

deephyper (>=0.1.10, <=0.1.11), l2hmc (>=0.1.0, <=0.13.0) +12 more potentially affected by CVE-2026-31234 via horovod (>=0.19.5, <=0.28.1)

horovod PYPI version =0.19.5, =0.1.10, =0.1.0, =0.1.1, =0.0.0a0, =0.0.3, =0.0.1.0, =0.1.0, =0.1.2, =0.1.8 - zetascale 0.7.1 Source cves: CVE-2026-31234 Source advisory: GHSA-MF8F-X4R3-JM8C...

CVE-2026-31234

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

CVE-2026-31234

The Horovod distributed framework (versions thru 0.28.1 ) is vulnerable to an insecure deserialization (CWE-502) vulnerability within its KVStore HTTP server component. The server lacks necessary authentication and authorization controls, enabling a remote attacker to write arbitrary data via HTT...

CVE-2026-31234: Deserialization of Untrusted Data

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

CVE-2026-31234

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

PT-2026-40121

Name of the Vulnerable Software and Affected Versions Horovod versions prior to 0.28.2 Description The KVStore HTTP server component, used for distributed task coordination, lacks authentication and authorization controls. This allows a remote attacker to write arbitrary data using HTTP PUT...

CVE-2026-31234

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...