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CVE-2025-57814

request-filtering-agent SSRF Bypass via HTTPS Requests

MEDIUM
5.5
CVSS Score
Published: August 25, 2025 at 09:48 PM UTC
Updated: June 17, 2026 at 09:43 AM UTC
1 product affected across 1 vendorRequest Filtering Agent

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

request-filtering-agent is an http(s).Agent implementation that blocks requests to Private/Reserved IP addresses. Versions 1.x.x and earlier contain a vulnerability where HTTPS requests to 127.0.0.1 bypass IP address filtering, while HTTP requests are correctly blocked. This allows attackers to potentially access internal HTTPS services running on localhost, bypassing the library's SSRF protection. The vulnerability is particularly dangerous when the application accepts user-controlled URLs and internal services are only protected by network-level restrictions. This vulnerability has been fixed in request-filtering-agent version 2.0.0. Users should upgrade to version 2.0.0 or later.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Request Filtering Agent· Azu
60%
v < 2.0.0
Affected range stops below 2.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISC
Source: [email protected]
https://github.com/azu/request-filtering-agent-https127-test
x_refsource_CONFIRM
Source: [email protected]
https://github.com/azu/request-filtering-agent/security/advisories/GHSA-pw25-c82r-75mm

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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