How severe is GHSA-89r2-5g34-2g47?

GHSA-89r2-5g34-2g47 has a CVSS score of 6.1/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by GHSA-89r2-5g34-2g47?

GHSA-89r2-5g34-2g47 affects the following packages: symfony/security-http (Packagist), symfony/security-http (Packagist), symfony/security-http (Packagist), symfony/security-http (Packagist), symfony/security-http (Packagist), symfony/security-http (Packagist), symfony/security (Packagist), symfony/security (Packagist), and 9 more. Ecosystems affected: Packagist.

How do I fix GHSA-89r2-5g34-2g47?

Update symfony/security-http to 2.7.50 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-89r2-5g34-2g47 is resolved across your whole dependency graph.

How do I detect GHSA-89r2-5g34-2g47 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for symfony/security-http, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-89r2-5g34-2g47 if there is no patch (or I can't update yet)?

Stop reflecting attacker-controlled destinations: resolve every redirect target against an allowlist of paths or hosts you own, prefer a server-side key over a full URL in the request, and reject absolute URLs entirely where the flow only ever needs a relative one.

Is GHSA-89r2-5g34-2g47 actively exploited in the wild?

No public exploit code has been indexed for GHSA-89r2-5g34-2g47 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for GHSA-89r2-5g34-2g47?

GHSA-89r2-5g34-2g47 has an EPSS (Exploit Prediction Scoring System) score of 1.5%, placing it in the 74th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is GHSA-89r2-5g34-2g47?

GHSA-89r2-5g34-2g47 is classified as Open Redirect (CWE-601). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was GHSA-89r2-5g34-2g47 published, and has it been updated?

GHSA-89r2-5g34-2g47 was published on May 14, 2022 and was last updated on April 25, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘

🐘 Packagist

Not in CISA KEV

MEDIUM severity

Symfony Open RedirectGHSA-89r2-5g34-2g47

MEDIUMFix: symfony/symfony@99a0cec

GHSA-89r2-5g34-2g47 is a medium-severity (CVSS 6.1) Open Redirect vulnerability in symfony/security-http. A fix is available for symfony/security-http — see the affected versions and patch details below.

Also known asCVE-2018-19790

Published

May 14, 2022

Updated

Apr 25, 2024

Affected

17 pkgs

Patched

17 / 17

Exploits

None indexed

Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

1.5%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs74th percentile — riskier than 74% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

17 pkgs affected

🐘symfony/security-http🐘symfony/security-http🐘symfony/security-http🐘symfony/security-http🐘symfony/security-http🐘symfony/security-http🐘symfony/security🐘symfony/security+9 more

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the _failure_path input field of login forms, an attacker can work around the redirection target restrictions and effectively redirect the user to any domain after login.

Affected Packages

17 total 17 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`symfony/security-http`	≥ 2.7.38&&< 2.7.50	2.7.50`composer require symfony/security-http:^2.7.50`
🐘Packagist	`symfony/security-http`	≥ 2.8.0&&< 2.8.49	2.8.49`composer require symfony/security-http:^2.8.49`
🐘Packagist	`symfony/security-http`	≥ 3.0.0&&< 3.4.20	3.4.20`composer require symfony/security-http:^3.4.20`
🐘Packagist	`symfony/security-http`	≥ 4.0.0&&< 4.0.15	4.0.15`composer require symfony/security-http:^4.0.15`
🐘Packagist	`symfony/security-http`	≥ 4.1.0&&< 4.1.9	4.1.9`composer require symfony/security-http:^4.1.9`
🐘Packagist	`symfony/security-http`	≥ 4.2.0&&< 4.2.1	4.2.1`composer require symfony/security-http:^4.2.1`

Affected Products

3 products · 8 configurations

debian linuxdebian

1 version

8.0

fedorafedoraproject

1 version

Application

symfonysensiolabs

≥ 4.2.0 && < 4.2.1

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for symfony/security-http, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update symfony/security-http to 2.7.50 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-89r2-5g34-2g47 is resolved across your whole dependency graph.
Workarounds
Stop reflecting attacker-controlled destinations: resolve every redirect target against an allowlist of paths or hosts you own, prefer a server-side key over a full URL in the request, and reject absolute URLs entirely where the flow only ever needs a relative one.

Frequently Asked Questions

An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_failure_path` input field of login forms, an attacker can work around the redirection target restrictions and effectively redirect the user to any domain after login.

O3 Security · Impact-Aware SCA

Is GHSA-89r2-5g34-2g47 in your dependencies?

Find it across Packagist, including transitive dependencies.

Scan my dependencies How O3 SCA works