CVE-2018-19790
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.
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
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 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV: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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
symfony/security-httpPackagist |
2.7.38 up to 2.7.50 | 2.7.50 |
symfony/security-httpPackagist |
2.8.0 up to 2.8.49 | 2.8.49 |
symfony/security-httpPackagist |
3.0.0 up to 3.4.20 | 3.4.20 |
symfony/security-httpPackagist |
4.0.0 up to 4.0.15 | 4.0.15 |
symfony/security-httpPackagist |
4.1.0 up to 4.1.9 | 4.1.9 |
symfony/security-httpPackagist |
4.2.0 up to 4.2.1 | 4.2.1 |
symfony/securityPackagist |
2.7.38 up to 2.7.50 | 2.7.50 |
symfony/securityPackagist |
2.8.0 up to 2.8.49 | 2.8.49 |
symfony/securityPackagist |
3.0.0 up to 3.4.19 | 3.4.19 |
symfony/securityPackagist |
4.0.0 up to 4.0.15 | 4.0.15 |
Show 31 moreShow less
| Package | Affected | Fixed |
|---|---|---|
symfony/securityPackagist |
4.1.0 up to 4.1.9 | 4.1.9 |
symfony/securityPackagist |
4.2.0 up to 4.2.1 | 4.2.1 |
symfony/symfonyPackagist |
2.7.38 up to 2.7.50 | 2.7.50 |
symfony/symfonyPackagist |
2.8.0 up to 2.8.49 | 2.8.49 |
symfony/symfonyPackagist |
3.0.0 up to 3.4.20 | 3.4.20 |
symfony/symfonyPackagist |
4.0.0 up to 4.0.15 | 4.0.15 |
symfony/symfonyPackagist |
4.1.0 up to 4.1.9 | 4.1.9 |
symfonyDebian:12 |
before 3.4.20+dfsg-1 | 3.4.20+dfsg-1 |
symfonyDebian:13 |
before 3.4.20+dfsg-1 | 3.4.20+dfsg-1 |
symfonyDebian:14 |
before 3.4.20+dfsg-1 | 3.4.20+dfsg-1 |
symfonyDebian: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 |
symfonyDebian: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-httpPackagist |
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 lessv2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.48v2.7.49 |
2.7.50 |
symfony/security-httpPackagist |
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 lessv2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.41v2.8.42v2.8.43v2.8.44v2.8.45v2.8.46v2.8.47v2.8.48v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9 |
2.8.49 |
symfony/security-httpPackagist |
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 lessv3.0.5v3.0.6v3.0.7v3.0.8v3.0.9v3.1.0v3.1.0-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-httpPackagist |
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 lessv4.0.13v4.0.14v4.0.2v4.0.3v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9 |
4.0.15 |
symfony/security-httpPackagist |
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 lessv4.1.5v4.1.6v4.1.7v4.1.8 |
4.1.9 |
symfony/security-httpPackagist |
4.2.0 up to 4.2.1, plus listed versions v4.2.0 |
4.2.1 |
symfony/securityPackagist |
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 lessv2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.48v2.7.49 |
2.7.50 |
symfony/securityPackagist |
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 lessv2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.41v2.8.42v2.8.43v2.8.44v2.8.45v2.8.46v2.8.47v2.8.48v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9 |
2.8.49 |
symfony/securityPackagist |
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 lessv3.0.5v3.0.6v3.0.7v3.0.8v3.0.9v3.1.0v3.1.0-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/securityPackagist |
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 lessv4.0.13v4.0.14v4.0.2v4.0.3v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9 |
4.0.15 |
symfony/securityPackagist |
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 lessv4.1.5v4.1.6v4.1.7v4.1.8 |
4.1.9 |
symfony/securityPackagist |
4.2.0 up to 4.2.1, plus listed versions v4.2.0 |
4.2.1 |
symfony/symfonyPackagist |
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 lessv2.7.43v2.7.44v2.7.45v2.7.46v2.7.47v2.7.48v2.7.49 |
2.7.50 |
symfony/symfonyPackagist |
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 lessv2.8.13v2.8.14v2.8.15v2.8.16v2.8.17v2.8.18v2.8.19v2.8.2v2.8.20v2.8.21v2.8.22v2.8.23v2.8.24v2.8.25v2.8.26v2.8.27v2.8.28v2.8.29v2.8.3v2.8.30v2.8.31v2.8.32v2.8.33v2.8.34v2.8.35v2.8.36v2.8.37v2.8.38v2.8.39v2.8.4v2.8.40v2.8.41v2.8.42v2.8.43v2.8.44v2.8.45v2.8.46v2.8.47v2.8.48v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9 |
2.8.49 |
symfony/symfonyPackagist |
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 lessv3.0.5v3.0.6v3.0.7v3.0.8v3.0.9v3.1.0v3.1.0-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/symfonyPackagist |
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 lessv4.0.13v4.0.14v4.0.2v4.0.3v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9 |
4.0.15 |
symfony/symfonyPackagist |
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 lessv4.1.5v4.1.6v4.1.7v4.1.8 |
4.1.9 |
symfonyUbuntu: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 |
symfonyUbuntu: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
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE 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
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OA4WVFN5FYPIXAPLWZI6N425JHHDSWAZ
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4TD3E7FZIXLVFG3SMFJPDEKPZ26TJOW7
securityfocus.com/bid/106249
lists.debian.org/debian-lts-announce/2019/03/msg00009.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JZMRJ7VTHCY5AZK24G4QGX36RLUDTDKE
symfony.com/blog/cve-2018-19790-open-redirect-vulnerability-when-using-security-http
Show 17 moreShow less
debian.org/security/2019/dsa-4441
seclists.org/bugtraq/2019/May/21
nvd.nist.gov/vuln/detail/CVE-2018-19790
github.com/symfony/symfony/commit/99a0cec0a6be39ce5ef38386e57339603b33ee5b
web.archive.org/web/20200227095826/http://www.securityfocus.com/bid/106249
symfony.com/cve-2018-19790
lists.fedoraproject.org/archives/list/[email protected]/message/OA4WVFN5FYPIXAPLWZI6N425JHHDSWAZ
lists.fedoraproject.org/archives/list/[email protected]/message/JZMRJ7VTHCY5AZK24G4QGX36RLUDTDKE
lists.fedoraproject.org/archives/list/[email protected]/message/4TD3E7FZIXLVFG3SMFJPDEKPZ26TJOW7
github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2018-19790.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2018-19790.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2018-19790.yaml
github.com/advisories/GHSA-89r2-5g34-2g47
security-tracker.debian.org/tracker/CVE-2018-19790
github.com/symfony/symfony
ubuntu.com/security/CVE-2018-19790
cve.org/CVERecord?id=CVE-2018-19790
Left out here: 113 versions. The JSON record has them.