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CVE-2026-58178— Apache Traffic Server: ESI plugin allows uncontrolled recursion and server-side request forgery

CVSS 7.5 · High EPSS 0.44% · P36

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProductVersion RangeStatus
Apache Software FoundationApache Traffic Server8.0.0≤ 8.1.9affected
9.0.0≤ 9.2.14affected
10.0.0≤ 10.1.3affected
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I. Basic Information for CVE-2026-58178

Vulnerability Information
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Vulnerability Title
Apache Traffic Server: ESI plugin allows uncontrolled recursion and server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
The Apache Traffic Server ESI plugin can recurse without bound and fetch attacker-controlled URLs. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Traffic Server 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache traffic server是美国Apache基金会开源的一个高性能HTTP代理服务器。 Apache Traffic Server 8.0.0至8.1.9版本、9.0.0至9.2.14版本和10.0.0至10.1.3版本存在资源管理错误漏洞，该漏洞源于Apache Traffic Server ESI plugin可以无限递归并获取攻击者控制的URL。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Apache Software FoundationApache Traffic Server 8.0.0 ~ 8.1.9 -

II. Public POCs for CVE-2026-58178

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III. Intelligence Information for CVE-2026-58178

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Same Patch Batch · Apache Software Foundation · 2026-07-29 · 41 CVEs total

CVE-2026-3326710.0 CRITICALApache Traffic Server: Untrusted @ headers can spoof ATS internal metadata
CVE-2026-5783410.0 CRITICALApache Traffic Server: Malformed chunked message body allows request smuggling
CVE-2026-5815010.0 CRITICALApache Traffic Server: HTTP/2 requests with Transfer-Encoding are not rejected, allowing r
CVE-2026-5816210.0 CRITICALApache Traffic Server: Certifier plugin trusts client SNI when generating certificates
CVE-2026-419209.3 CRITICALApache Traffic Server: SNI to Host header matching policy is not properly enforced
CVE-2026-581559.3 CRITICALApache Traffic Server: Header-name length truncation enables header aliasing and request s
CVE-2026-581548.9 HIGHApache Traffic Server: Memory-safety errors in MIME and header parsing
CVE-2026-581578.7 HIGHApache Traffic Server: Improper server-session reuse can expose data across client connect
CVE-2026-581828.6 HIGHApache Traffic Server: ts_lua plugin has initialization and resource-handling errors
CVE-2026-581538.3 HIGHApache Traffic Server: HTTP/2 to HTTP/1 conversion forwards origin trailers to clients uns
CVE-2026-581848.2 HIGHApache Traffic Server: header_rewrite plugin cookie handling can corrupt memory
CVE-2026-581888.2 HIGHApache Traffic Server: Memory-safety and limit-bypass errors across experimental plugins
CVE-2026-581598.2 HIGHApache Traffic Server: Listener and ACL handling allow access-control bypass
CVE-2026-220688.2 HIGHApache Traffic Server: Regex mappings match with malicious domain names
CVE-2026-581798.1 HIGHApache Traffic Server: regex_remap plugin overflows the stack from attacker input
CVE-2026-581778.1 HIGHApache Traffic Server: Memory-safety and path-traversal errors in the Cripts framework
CVE-2026-581867.5 HIGHApache Traffic Server: webp_transform plugin decodes unsafely and mislabels degraded respo
CVE-2026-653247.5 HIGHApache Traffic Server: HTTP/2 and HTTP/3 dechunking removes per-stream buffer cap, allowin
CVE-2026-581517.5 HIGHApache Traffic Server: Abusive HTTP/2 framing can exhaust resources and crash the server
CVE-2026-581897.5 HIGHApache Traffic Server: Plugins resetting the redirect counter enable SSRF amplification

Showing top 20 of 41 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Apache Traffic Server
Same vendor: Apache Software Foundation
Same weakness: CWE-674

V. Comments for CVE-2026-58178

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