Unauthenticated SSRF via request-derived cURL proxy
Published Aug 31, 2026 · Updated Sep 3, 2026
SSRF in ellite Wallos before 5.0.0 allows remote attackers to route server-side requests through an attacker-controlled proxy. The unauthenticated endpoints/payments/search.php handler reads HTTP_PROXY or HTTPS_PROXY from the CGI/FastCGI request environment and assigns it to cURL's proxy option, bypassing destination controls. Exploitation requires a deployment that maps or poisons those environment variables; the proxy can capture outbound request data, alter responses, and open connections to internal or loopback services.
Summary
What happened
SSRF in ellite Wallos before 5.0.0 allows remote attackers to route server-side requests through an attacker-controlled proxy. The unauthenticated endpoints/payments/search.php handler reads HTTP_PROXY or HTTPS_PROXY from the CGI/FastCGI request environment and assigns it to cURL's proxy option, bypassing destination controls. Exploitation requires a deployment that maps or poisons those environment variables; the proxy can capture outbound request data, alter responses, and open connections to internal or loopback services.
The record
- CVE
- CVE-2026-77348
- Published
- Aug 31, 2026
- Updated
- Sep 3, 2026
- Vendor
- ellite
- Product
- Wallos
- Classifications
- CWE-441, CWE-1188, CWE-918, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 31, 2026CVE publishedPublication date reported by the CVE source.
- Sep 3, 2026Record 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.
- Affected versionversion=< 5.0.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Weakness, pattern, technique
Public exploit references
- GHSA-f8j2-qm83-r2w4 proof of conceptproof of concept · demonstrated
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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