symfony/http-client vulnerabilities

Provides powerful methods to fetch HTTP resources synchronously or asynchronously

Registry
Composer
Latest
8.1.9
License
MIT

2 known advisories

The latest version, 8.1.9, is not affected by any of them. Projects on older versions may be.

Update to the latest version:composer require symfony/http-client:^8.1.9

Security advisories for symfony/http-client

  • MediumGHSA-38cx-cq6f-575515 Jun 2026

    Symfony: IpUtils::PRIVATE_SUBNETS Omits IPv6 Transition Forms (6to4, NAT64, Teredo, IPv4-compatible): SSRF Bypass in NoPrivateNetworkHttpClient

    Affected
    >=5.4.0 <5.4.53
    Fixed in
    5.4.53
  • LowGHSA-9c3x-r3wp-mgxm6 Nov 2024

    Symfony allows internal address and port enumeration by NoPrivateNetworkHttpClient

    Affected
    >=4.3.0 <5.4.47 · >=6.0.0 <6.4.15 · >=7.0.0 <7.1.8
    Fixed in
    5.4.47, 6.4.15, 7.1.8

Which of your client projects still run an old symfony/http-client?

NPMscan reads the composer.lock in every GitHub repo you pick and checks each installed version against these advisories, including the packages your packages pull in. Each finding comes with the command that fixes it.

Other Composer packages

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily. Package details from the Composer registry.