# Symfony HttpClient vulnerabilities

Source: https://junglewise.ai/threats/technologies/httpclient  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/httpclient.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Symfony HttpClient: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-123119, was published on 5 November 2026. 2 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 2
- Last 90 days: 2
- All time: 3 (0 critical, 0 exploited in the wild)

## About Symfony HttpClient

A PHP library providing utilities to fetch HTTP resources synchronously or asynchronously.

## Latest Symfony HttpClient vulnerabilities

- [CVE-2026-123119: Symfony HttpClient NoPrivateNetworkHttpClient DNS rebinding in cached hosts](https://junglewise.ai/threats/cve-2026-123119-the-symfony-httpclient-component-noprivatenetworkhttpclient-does) (info, published 5 Nov 2026)
- [CVE-2026-121971: Symfony HttpClient credential disclosure via URL override](https://junglewise.ai/threats/cve-2026-121971-the-component-scopinghttpclient-in-symfony-httpclient-merges-the) (info, published 4 Nov 2026)
- [CVE-2026-48736: Symfony SSRF bypass in NoPrivateNetworkHttpClient and IpUtils](https://junglewise.ai/threats/cve-2026-48736-symfony-ssrf-bypass-in-noprivatenetworkhttpclient-and-iputils) (medium, CVSS 4, published 14 Jul 2026)

## Most severe Symfony HttpClient vulnerabilities

- [CVE-2026-48736: Symfony SSRF bypass in NoPrivateNetworkHttpClient and IpUtils](https://junglewise.ai/threats/cve-2026-48736-symfony-ssrf-bypass-in-noprivatenetworkhttpclient-and-iputils) (medium, CVSS 4, published 14 Jul 2026)
- [CVE-2026-123119: Symfony HttpClient NoPrivateNetworkHttpClient DNS rebinding in cached hosts](https://junglewise.ai/threats/cve-2026-123119-the-symfony-httpclient-component-noprivatenetworkhttpclient-does) (info, published 5 Nov 2026)
- [CVE-2026-121971: Symfony HttpClient credential disclosure via URL override](https://junglewise.ai/threats/cve-2026-121971-the-component-scopinghttpclient-in-symfony-httpclient-merges-the) (info, published 4 Nov 2026)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 2 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Symfony technologies

- [Symfony HtmlSanitizer](https://junglewise.ai/threats/technologies/htmlsanitizer): 9 vulnerabilities
- [Symfony Yaml Component](https://junglewise.ai/threats/technologies/yaml): 8 vulnerabilities
- [Symfony Security HTTP](https://junglewise.ai/threats/technologies/security-http): 5 vulnerabilities
- [Symfony UX Live Component](https://junglewise.ai/threats/technologies/ux-live-component): 4 vulnerabilities
- [Symfony Http Foundation](https://junglewise.ai/threats/technologies/http-foundation): 3 vulnerabilities
- [Symfony Mime](https://junglewise.ai/threats/technologies/mime): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Symfony HttpClient vulnerabilities", https://junglewise.ai/threats/technologies/httpclient, 13 November 2026.