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CVE-2026-57834

Status: ModifiedHigh (7)—

Apache Traffic Server allows request smuggling if chunked messages are malformed.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vulnerabilidad en proxy de red (Traffic Server) accesible remotamente sin autenticación (AV:N, PR:N). CWE-444 (HTTP request smuggling) permite DoS y/o bypass de controles de seguridad (SC:H, SI:H). Explotable como T1190. Impactos: 1) T1499.004 (DoS en servicio HTTP), 2) T1090.001 (potencial manipula

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Filter Network TrafficVulnerability ScanningPrivileged Account ManagementNetwork SegmentationNetwork Intrusion PreventionLimit Access to Resource Over Network

Affected technologies (1)

Apache — Traffic Server

CWEs

References

Raw JSON (NVD)

Show
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  "published": "2026-07-29T08:16:31.563",
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