---
title: "CVE-2026-55160: Stringer - Server-Side Request Forgery"
description: "Stringer contains an unrestricted Server-Side Request Forgery (SSRF) caused by lack of request validation, letting authenticated users send arbitrary HTTP/HTTPS requests to internal networks and cloud metadata endpoints, exploit requires user authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-55160/
---

# CVE-2026-55160 Stringer - Server-Side Request Forgery

Stringer contains an unrestricted Server-Side Request Forgery (SSRF) caused by lack of request validation, letting authenticated users send arbitrary HTTP/HTTPS requests to internal networks and cloud metadata endpoints, exploit requires user authentication.

CVSS base score 7.6 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.28% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-55160)

## Details

Type

Server-Side Request Forgery

Impact

Server Side Request Forgery, Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Published

28 September 2026

Updated

15 October 2026

Weakness

[CWE-918](https://cwe.mitre.org/data/definitions/918.html)

## Vendor fix

Update to the version including commit 75cb095 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-55160](https://nvd.nist.gov/vuln/detail/CVE-2026-55160)
- [https://github.com/stringer-rss/stringer/security/advisories/GHSA-496x-437q-h35q](https://github.com/stringer-rss/stringer/security/advisories/GHSA-496x-437q-h35q)
- [https://github.com/stringer-rss/stringer/commit/75cb0955919a362ac49d23c8a14892d0f59ea1c4](https://github.com/stringer-rss/stringer/commit/75cb0955919a362ac49d23c8a14892d0f59ea1c4)
- [https://github.com/stringer-rss/stringer/pull/1548](https://github.com/stringer-rss/stringer/pull/1548)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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