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CVE-2026-58183— Apache Traffic Server: prefetch plugin can crash on attacker-influenced input

Quick assessment

Affected
Apache Software Foundation Apache Traffic Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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版本至8.1.9版本、9.0.0版本至9.2.14版本和10.0.0版本至10.1.3版本存在输入验证错误漏洞，该漏洞源于输入验证错误，在处理攻击者影响的输入时可能导致拒绝服务。

CVSS 5.9 · Medium EPSS 0.39% · P33

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
Apache Software Foundation Apache Traffic Server 8.0.0≤ 8.1.9 affected
9.0.0≤ 9.2.14 affected
10.0.0≤ 10.1.3 affected
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I. Basic Information for CVE-2026-58183

Vulnerability Information
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Vulnerability Title
Apache Traffic Server: prefetch plugin can crash on attacker-influenced input
Source: CVE Program / CVE List V5
Vulnerability Description
The Apache Traffic Server prefetch plugin can crash when processing attacker-influenced input. 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:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Traffic Server 输入验证错误漏洞
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版本至8.1.9版本、9.0.0版本至9.2.14版本和10.0.0版本至10.1.3版本存在输入验证错误漏洞，该漏洞源于输入验证错误，在处理攻击者影响的输入时可能导致拒绝服务。
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

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Traffic Server 8.0.0 ~ 8.1.9 -

II. Public POCs for CVE-2026-58183

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III. Intelligence Information for CVE-2026-58183

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

CVE-2026-33267 10.0 CRITICAL Apache Traffic Server: Untrusted @ headers can spoof ATS internal metadata
CVE-2026-57834 10.0 CRITICAL Apache Traffic Server: Malformed chunked message body allows request smuggling
CVE-2026-58150 10.0 CRITICAL Apache Traffic Server: HTTP/2 requests with Transfer-Encoding are not rejected, allowing r
CVE-2026-58162 10.0 CRITICAL Apache Traffic Server: Certifier plugin trusts client SNI when generating certificates
CVE-2026-58155 9.3 CRITICAL Apache Traffic Server: Header-name length truncation enables header aliasing and request s
CVE-2026-41920 9.3 CRITICAL Apache Traffic Server: SNI to Host header matching policy is not properly enforced
CVE-2026-58154 8.9 HIGH Apache Traffic Server: Memory-safety errors in MIME and header parsing
CVE-2026-58157 8.7 HIGH Apache Traffic Server: Improper server-session reuse can expose data across client connect
CVE-2026-58182 8.6 HIGH Apache Traffic Server: ts_lua plugin has initialization and resource-handling errors
CVE-2026-58153 8.3 HIGH Apache Traffic Server: HTTP/2 to HTTP/1 conversion forwards origin trailers to clients uns
CVE-2026-58159 8.2 HIGH Apache Traffic Server: Listener and ACL handling allow access-control bypass
CVE-2026-58184 8.2 HIGH Apache Traffic Server: header_rewrite plugin cookie handling can corrupt memory
CVE-2026-58188 8.2 HIGH Apache Traffic Server: Memory-safety and limit-bypass errors across experimental plugins
CVE-2026-22068 8.2 HIGH Apache Traffic Server: Regex mappings match with malicious domain names
CVE-2026-58177 8.1 HIGH Apache Traffic Server: Memory-safety and path-traversal errors in the Cripts framework
CVE-2026-58179 8.1 HIGH Apache Traffic Server: regex_remap plugin overflows the stack from attacker input
CVE-2026-58161 7.5 HIGH Apache Traffic Server: Memory-safety errors in TLS and SNI handling can crash the server
CVE-2026-58175 7.5 HIGH Apache Traffic Server: HostDB SRV handling leaks memory
CVE-2026-58178 7.5 HIGH Apache Traffic Server: ESI plugin allows uncontrolled recursion and server-side request fo
CVE-2026-58180 7.5 HIGH Apache Traffic Server: txn_box plugin overflows the stack from attacker input

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-20

V. Comments for CVE-2026-58183

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