CVE-2024-8927Network attack vector

Arbitrary file inclusion via redirect-status environment collision

Published Oct 8, 2024 · Updated Nov 3, 2025

Access bypass in PHP CGI 8.1 before 8.1.30, 8.2 before 8.2.24, and 8.3 before 8.3.12 allows remote attackers to include arbitrary files. The CGI SAPI accepts a request-controlled Redirect-Status header as HTTP_REDIRECT_STATUS, so the cgi.force_redirect check mistakes a direct request for a web-server redirect. Exploitation requires a CGI deployment with cgi.force_redirect enabled and a configuration that maps SCRIPT_FILENAME to an exposed file; the bounded impact is unauthorized disclosure of included file contents.

CVSS severity7.5
High
EPSS probability1.05%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Access bypass in PHP CGI 8.1 before 8.1.30, 8.2 before 8.2.24, and 8.3 before 8.3.12 allows remote attackers to include arbitrary files. The CGI SAPI accepts a request-controlled Redirect-Status header as HTTP_REDIRECT_STATUS, so the cgi.force_redirect check mistakes a direct request for a web-server redirect. Exploitation requires a CGI deployment with cgi.force_redirect enabled and a configuration that maps SCRIPT_FILENAME to an exposed file; the bounded impact is unauthorized disclosure of included file contents.

The record

CVE
CVE-2024-8927
Published
Oct 8, 2024
Updated
Nov 3, 2025
Vendor
The PHP Group
Product
PHP
Classifications
CWE-1220, CAPEC-252, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 8, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.1.0 <8.1.30
  2. Affected versionversion=8.1.* <8.1.30
  3. Affected versionversion=8.2.0 <8.2.24
  4. Affected versionversion=8.2.* <8.2.24
  5. Affected versionversion=8.3.0 <8.3.12
  6. Affected versionversion=8.3.* <8.3.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

The PHP Group · PHPversion=8.1.0 <8.1.30; version=8.1.* <8.1.30; version=8.2.0 <8.2.24; version=8.2.* <8.2.24; version=8.3.0 <8.3.12; version=8.3.* <8.3.12

Published CVSS scores

7.5The PHP Group CNACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.3GitHub Security AdvisoryCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1220Insufficient Granularity of Access Control
CAPEC-252PHP Local File Inclusion
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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