CVE Watch3 de nov. de 2026

CVE-2026-104608

A remote code execution vulnerability was identified in GitHub Enterprise Server in the Git service (babeld). babeld held references into in

CVSS

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Sem CVSS

EPSS

0.4%

p34

KEV

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Exploit Today

0-100

Publicado: 3 de nov. de 2026 · Última mod.: 3 de nov. de 2026 · CWE-416 · CWE-1265

EPSS · 30d

0.4%EPSS · 30 dias0.4%

2026-11-042026-11-05

Descrição técnica

A remote code execution vulnerability was identified in GitHub Enterprise Server in the Git service (babeld). babeld held references into internal collections while calling into the SSH library, where a re-entrant callback could modify a collection and invalidate those references. An attacker with an account and SSH access to the instance could leverage this use-after-free into a controlled write and run arbitrary commands as babeld, including disclosure of its environment secrets. Exploitation required per-build memory offsets; failed attempts crashed babeld. This affected all releases prior to 3.23 and was fixed in 3.22.3, 3.21.8, 3.20.10, and 3.19.14. This vulnerability was reported via the GitHub Bug Bounty program.

Referências oficiais

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