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CVE-2018-19790

Symfony Open Redirect

6.1 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

1.49%Down 0.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.1

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.

Record
CVE-2018-19790
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
5.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness
CWE-601
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2018-19790
Updated
2026-11-02
EUVDEUVD-2022-3158 No score

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.

Record
EUVD-2022-3158
Updated
2026-11-03
GitHub AdvisoriesGHSA-89r2-5g34-2g47 6.1

Symfony Open Redirect

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.

Record
GHSA-89r2-5g34-2g47
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-601
Updated
2026-11-02
OSV 6.1

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.

Record
CVE-2018-19790
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2018-19790 6.1

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.

Record
DEBIAN-CVE-2018-19790
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVGHSA-89r2-5g34-2g47 6.1

Symfony Open Redirect

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.

Record
GHSA-89r2-5g34-2g47
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-601
Updated
2026-11-02
OSVUBUNTU-CVE-2018-19790 6.1

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.

Record
UBUNTU-CVE-2018-19790
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
symfony/security-http
Packagist
2.7.38 up to 2.7.50
2.7.50
symfony/security-http
Packagist
2.8.0 up to 2.8.49
2.8.49
symfony/security-http
Packagist
3.0.0 up to 3.4.20
3.4.20
symfony/security-http
Packagist
4.0.0 up to 4.0.15
4.0.15
symfony/security-http
Packagist
4.1.0 up to 4.1.9
4.1.9
symfony/security-http
Packagist
4.2.0 up to 4.2.1
4.2.1
symfony/security
Packagist
2.7.38 up to 2.7.50
2.7.50
symfony/security
Packagist
2.8.0 up to 2.8.49
2.8.49
symfony/security
Packagist
3.0.0 up to 3.4.19
3.4.19
symfony/security
Packagist
4.0.0 up to 4.0.15
4.0.15
Show 31 moreShow less
Affected packages
PackageAffectedFixed
symfony/security
Packagist
4.1.0 up to 4.1.9
4.1.9
symfony/security
Packagist
4.2.0 up to 4.2.1
4.2.1
symfony/symfony
Packagist
2.7.38 up to 2.7.50
2.7.50
symfony/symfony
Packagist
2.8.0 up to 2.8.49
2.8.49
symfony/symfony
Packagist
3.0.0 up to 3.4.20
3.4.20
symfony/symfony
Packagist
4.0.0 up to 4.0.15
4.0.15
symfony/symfony
Packagist
4.1.0 up to 4.1.9
4.1.9
symfony
Debian:12
before 3.4.20+dfsg-1
3.4.20+dfsg-1
symfony
Debian:13
before 3.4.20+dfsg-1
3.4.20+dfsg-1
symfony
Debian:14
before 3.4.20+dfsg-1
3.4.20+dfsg-1
symfony
Debian:8
From an advisory covering 7 CVEs
before 2.3.21+dfsg-4+deb8u4, plus listed versions
2.3.21+dfsg-42.3.21+dfsg-4+deb8u12.3.21+dfsg-4+deb8u22.3.21+dfsg-4+deb8u3
2.3.21+dfsg-4+deb8u4
symfony
Debian:9
From an advisory covering 8 CVEs
before 2.8.7+dfsg-1.3+deb9u2, plus listed versions
2.8.7+dfsg-1.32.8.7+dfsg-1.3+deb9u1
2.8.7+dfsg-1.3+deb9u2
symfony/security-http
Packagist
2.7.38 up to 2.7.50, plus listed versions
v2.7.38v2.7.39v2.7.40v2.7.41v2.7.42
Show 7 moreShow less
v2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.48v2.7.49
2.7.50
symfony/security-http
Packagist
2.8.0 up to 2.8.49, plus listed versions
v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12
Show 44 moreShow less
v2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.41v2.8.42v2.8.43v2.8.44v2.8.45v2.8.46v2.8.47v2.8.48v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9
2.8.49
symfony/security-http
Packagist
3.0.0 up to 3.4.20, plus listed versions
v3.0.0v3.0.1v3.0.2v3.0.3v3.0.4
Show 45 moreShow less
v3.0.5v3.0.6v3.0.7v3.0.8v3.0.9v3.1.0v3.1.0-BETA1v3.1.0-RC1v3.1.1v3.1.10v3.1.2v3.1.3v3.1.4v3.1.5v3.1.6v3.1.7v3.1.8v3.1.9v3.2.0v3.2.0-BETA1v3.2.0-RC1v3.2.0-RC2v3.2.1v3.2.10v3.2.11v3.2.12v3.2.13v3.2.14v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9v3.3.0v3.3.0-BETA1v3.3.0-RC1v3.3.1v3.3.10v3.3.11v3.3.12v3.3.13v3.3.14
3.4.20
symfony/security-http
Packagist
4.0.0 up to 4.0.15, plus listed versions
v4.0.0v4.0.1v4.0.10v4.0.11v4.0.12
Show 10 moreShow less
v4.0.13v4.0.14v4.0.2v4.0.3v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9
4.0.15
symfony/security-http
Packagist
4.1.0 up to 4.1.9, plus listed versions
v4.1.0v4.1.1v4.1.2v4.1.3v4.1.4
Show 4 moreShow less
v4.1.5v4.1.6v4.1.7v4.1.8
4.1.9
symfony/security-http
Packagist
4.2.0 up to 4.2.1, plus listed versions
v4.2.0
4.2.1
symfony/security
Packagist
2.7.38 up to 2.7.50, plus listed versions
v2.7.38v2.7.39v2.7.40v2.7.41v2.7.42
Show 7 moreShow less
v2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.48v2.7.49
2.7.50
symfony/security
Packagist
2.8.0 up to 2.8.49, plus listed versions
v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12
Show 44 moreShow less
v2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.41v2.8.42v2.8.43v2.8.44v2.8.45v2.8.46v2.8.47v2.8.48v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9
2.8.49
symfony/security
Packagist
3.0.0 up to 3.4.19, plus listed versions
v3.0.0v3.0.1v3.0.2v3.0.3v3.0.4
Show 45 moreShow less
v3.0.5v3.0.6v3.0.7v3.0.8v3.0.9v3.1.0v3.1.0-BETA1v3.1.0-RC1v3.1.1v3.1.10v3.1.2v3.1.3v3.1.4v3.1.5v3.1.6v3.1.7v3.1.8v3.1.9v3.2.0v3.2.0-BETA1v3.2.0-RC1v3.2.0-RC2v3.2.1v3.2.10v3.2.11v3.2.12v3.2.13v3.2.14v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9v3.3.0v3.3.0-BETA1v3.3.0-RC1v3.3.1v3.3.10v3.3.11v3.3.12v3.3.13v3.3.14
3.4.19
symfony/security
Packagist
4.0.0 up to 4.0.15, plus listed versions
v4.0.0v4.0.1v4.0.10v4.0.11v4.0.12
Show 10 moreShow less
v4.0.13v4.0.14v4.0.2v4.0.3v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9
4.0.15
symfony/security
Packagist
4.1.0 up to 4.1.9, plus listed versions
v4.1.0v4.1.1v4.1.2v4.1.3v4.1.4
Show 4 moreShow less
v4.1.5v4.1.6v4.1.7v4.1.8
4.1.9
symfony/security
Packagist
4.2.0 up to 4.2.1, plus listed versions
v4.2.0
4.2.1
symfony/symfony
Packagist
2.7.38 up to 2.7.50, plus listed versions
v2.7.38v2.7.39v2.7.40v2.7.41v2.7.42
Show 7 moreShow less
v2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.48v2.7.49
2.7.50
symfony/symfony
Packagist
2.8.0 up to 2.8.49, plus listed versions
v2.8.0v2.8.1v2.8.10v2.8.11v2.8.12
Show 44 moreShow less
v2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.41v2.8.42v2.8.43v2.8.44v2.8.45v2.8.46v2.8.47v2.8.48v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9
2.8.49
symfony/symfony
Packagist
3.0.0 up to 3.4.20, plus listed versions
v3.0.0v3.0.1v3.0.2v3.0.3v3.0.4
Show 45 moreShow less
v3.0.5v3.0.6v3.0.7v3.0.8v3.0.9v3.1.0v3.1.0-BETA1v3.1.0-RC1v3.1.1v3.1.10v3.1.2v3.1.3v3.1.4v3.1.5v3.1.6v3.1.7v3.1.8v3.1.9v3.2.0v3.2.0-BETA1v3.2.0-RC1v3.2.0-RC2v3.2.1v3.2.10v3.2.11v3.2.12v3.2.13v3.2.14v3.2.2v3.2.3v3.2.4v3.2.5v3.2.6v3.2.7v3.2.8v3.2.9v3.3.0v3.3.0-BETA1v3.3.0-RC1v3.3.1v3.3.10v3.3.11v3.3.12v3.3.13v3.3.14
3.4.20
symfony/symfony
Packagist
4.0.0 up to 4.0.15, plus listed versions
v4.0.0v4.0.1v4.0.10v4.0.11v4.0.12
Show 10 moreShow less
v4.0.13v4.0.14v4.0.2v4.0.3v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9
4.0.15
symfony/symfony
Packagist
4.1.0 up to 4.1.9, plus listed versions
v4.1.0v4.1.1v4.1.2v4.1.3v4.1.4
Show 4 moreShow less
v4.1.5v4.1.6v4.1.7v4.1.8
4.1.9
symfony
Ubuntu:16.04:LTS
All versions, plus listed versions
2.7.1+dfsg-12.7.5+dfsg-12.7.9+dfsg-12.7.9+dfsg-1ubuntu22.7.10-0ubuntu2
None known
symfony
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
2.8.7+dfsg-1.3ubuntu13.4.3+dfsg-1ubuntu43.4.6+dfsg-13.4.6+dfsg-1ubuntu0.13.4.6+dfsg-1ubuntu0.1+esm13.4.6+dfsg-1ubuntu0.1+esm2
None known

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-19790 is a medium vulnerability (CVSS 6.1) in Sensiolabs Symfony, published December 18, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. Fixed in symfony/security-http 2.7.50.

References

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Left out here: 113 versions. The JSON record has them.

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