CVE-2024-51754
Unguarded calls to __toString() when nesting an object into an array in Twig
Twig is a template language for PHP. In a sandbox, an attacker can call __toString() on an object even if the __toString() method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance). This issue has been patched in versions 3.11.2 and 3.14.1. All users are advised to upgrade. There are no known workarounds for this issue.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Unguarded calls to __toString() when nesting an object into an array in Twig
Twig is a template language for PHP. In a sandbox, an attacker can call __toString() on an object even if the __toString() method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance). This issue has been patched in versions 3.11.2 and 3.14.1. All users are advised to upgrade. There are no known workarounds for this issue.
- Record
CVE-2024-51754- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
EUVDEUVD-2024-3201
Twig is a template language for PHP. In a sandbox, an attacker can call __toString() on an object even if the __toString() method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance). This issue has been patched in versions 3.11.2 and 3.14.1. All users are advised to upgrade. There are no known workarounds for this issue.
- Record
EUVD-2024-3201- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6377-hfv9-hqf6
Twig has unguarded calls to `__toString()` when nesting an object into an array
Description
In a sandbox, an attacker can call __toString() on an object even if the __toString() method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance).
Resolution
The sandbox mode now checks the __toString() method call on all objects.
The patch for this issue is available here for the 3.11.x branch, and here for the 3.x branch.
Credits
We would like to thank Jamie Schouten for reporting the issue and Fabien Potencier for providing the fix.
- Record
GHSA-6377-hfv9-hqf6- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
NVD
Twig is a template language for PHP. In a sandbox, an attacker can call __toString() on an object even if the __toString() method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance). This issue has been patched in versions 3.11.2 and 3.14.1. All users are advised to upgrade. There are no known workarounds for this issue.
- Record
CVE-2024-51754- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
OSV
Unguarded calls to __toString() when nesting an object into an array in Twig
Twig is a template language for PHP. In a sandbox, an attacker can call __toString() on an object even if the __toString() method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance). This issue has been patched in versions 3.11.2 and 3.14.1. All users are advised to upgrade. There are no known workarounds for this issue.
- Record
CVE-2024-51754- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2024-51754
Twig is a template language for PHP. In a sandbox, an attacker can call __toString() on an object even if the __toString() method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance). This issue has been patched in versions 3.11.2 and 3.14.1. All users are advised to upgrade. There are no known workarounds for this issue.
- Record
DEBIAN-CVE-2024-51754- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
Show 6 moreShow less
OSVGHSA-6377-hfv9-hqf6
Twig has unguarded calls to `__toString()` when nesting an object into an array
Description
In a sandbox, an attacker can call __toString() on an object even if the __toString() method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance).
Resolution
The sandbox mode now checks the __toString() method call on all objects.
The patch for this issue is available here for the 3.11.x branch, and here for the 3.x branch.
Credits
We would like to thank Jamie Schouten for reporting the issue and Fabien Potencier for providing the fix.
- Record
GHSA-6377-hfv9-hqf6- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2024-51754
Twig is a template language for PHP. In a sandbox, an attacker can call __toString() on an object even if the __toString() method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance). This issue has been patched in versions 3.11.2 and 3.14.1. All users are advised to upgrade. There are no known workarounds for this issue.
- Record
UBUNTU-CVE-2024-51754- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVCLSA-2026-1783991054 No score
TuxCare security update for twig/twig (11 CVEs)
TuxCare rebuilt twig/twig to address 11 CVEs. Fixed in v2.16.1-p1+tuxcare.
- Record
CLSA-2026-1783991054- Updated
- 2026-11-02
OSVCLSA-2026-1784682913 No score
TuxCare security update for twig/twig (10 CVEs)
TuxCare rebuilt twig/twig to address 10 CVEs. Fixed in v2.15.6-p2+tuxcare.
- Record
CLSA-2026-1784682913- Updated
- 2026-11-02
OSVCLSA-2026-1786534048 No score
TuxCare security update for twig/twig (8 CVEs)
TuxCare rebuilt twig/twig to address 8 CVEs. Fixed in v1.44.8-p1+tuxcare.
- Record
CLSA-2026-1786534048- Updated
- 2026-11-02
OSVUSN-7456-1 No score
php-twig vulnerabilities
Fabien Potencier discovered that Twig did not run sandbox security checks in some circumstances. An attacker could possibly use this issue to cause a denial of service or execute arbitrary commands. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-45411)
Jamie Schouten discovered that Twig could bypass the security policy for an object call. An attacker could possibly use this issue to obtain sensitive information. (CVE-2024-51754)
- Record
USN-7456-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
twig/twigPackagist |
before 3.11.2 | 3.11.2 |
twig/twigPackagist |
3.12 up to 3.14.1 | 3.14.1 |
twig/twigTuxCare:Packagist From an advisory covering 11 CVEs |
v2.16.1 up to v2.16.1-p1+tuxcare | v2.16.1-p1+tuxcare |
twig/twigTuxCare:Packagist From an advisory covering 10 CVEs |
v2.15.6 up to v2.15.6-p2+tuxcare, plus listed versions v2.15.6-p1+tuxcare |
v2.15.6-p2+tuxcare |
twig/twigTuxCare:Packagist From an advisory covering 8 CVEs |
v1.44.8 up to v1.44.8-p1+tuxcare | v1.44.8-p1+tuxcare |
php-twigDebian:12 |
before 3.5.1-1+deb12u3, plus listed versions 3.5.1-13.5.1-1+deb12u13.5.1-1+deb12u2 |
3.5.1-1+deb12u3 |
php-twigDebian:13 |
before 3.14.2-1 | 3.14.2-1 |
php-twigDebian:14 |
before 3.14.2-1 | 3.14.2-1 |
php-twigDebian:11 |
before 2.14.3-1+deb11u4, plus listed versions 2.14.3-12.14.3-1+deb11u12.14.3-1+deb11u22.14.3-1+deb11u3 |
2.14.3-1+deb11u4 |
twig/twigPackagist |
before 3.11.2, plus listed versions 1.3.01.4.01.5.01.5.11.6.0 Show 45 moreShow less1.6.11.6.21.6.31.6.41.6.5v1.10.0v1.10.1v1.10.2v1.10.3v1.11.0v1.11.1v1.12.0v1.12.0-RC1v1.12.1v1.12.2v1.12.3v1.13.0v1.13.1v1.13.2v1.14.0v1.14.1v1.14.2v1.15.0v1.15.1v1.16.0v1.16.1v1.16.2v1.16.3v1.17.0v1.18.0v1.18.1v1.18.2v1.19.0v1.20.0v1.21.0v1.21.1v1.21.2v1.22.0v1.22.1v1.22.2v1.22.3v1.23.0v1.23.1v1.23.2v1.23.3 |
3.11.2 |
Show 9 moreShow less
| Package | Affected | Fixed |
|---|---|---|
twig/twigPackagist |
3.12 up to 3.14.1, plus listed versions v3.12.0v3.13.0v3.14.0 |
3.14.1 |
twigUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1.20.0-11.23.1-1ubuntu11.23.1-1ubuntu41.23.1-1ubuntu4+esm1 |
None known |
twigUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 1.24.0-2ubuntu12.4.4-2ubuntu12.4.6-12.4.6-1ubuntu0.1~esm1 |
None known |
php-twigUbuntu:Pro:20.04:LTS |
before 2.12.5-1ubuntu0.1~esm2, plus listed versions 2.11.3-22.12.1-12.12.2-12.12.3-12.12.5-12.12.5-1ubuntu0.1~esm1 |
2.12.5-1ubuntu0.1~esm2 |
php-twigUbuntu:Pro:22.04:LTS |
before 3.3.8-2ubuntu4+esm2, plus listed versions 3.3.2-1ubuntu33.3.4-13.3.6-13.3.7-13.3.8-2ubuntu43.3.8-2ubuntu4+esm1 |
3.3.8-2ubuntu4+esm2 |
php-twigUbuntu:Pro:24.04:LTS |
before 3.8.0-2ubuntu0.1~esm1, plus listed versions 3.7.0-13.7.1-13.8.0-2 |
3.8.0-2ubuntu0.1~esm1 |
php-twigUbuntu:Pro:20.04:LTS From an advisory covering 2 CVEs |
before 2.12.5-1ubuntu0.1~esm2, plus listed versions 2.11.3-22.12.1-12.12.2-12.12.3-12.12.5-12.12.5-1ubuntu0.1~esm1 |
2.12.5-1ubuntu0.1~esm2 |
php-twigUbuntu:Pro:22.04:LTS From an advisory covering 2 CVEs |
before 3.3.8-2ubuntu4+esm2, plus listed versions 3.3.2-1ubuntu33.3.4-13.3.6-13.3.7-13.3.8-2ubuntu43.3.8-2ubuntu4+esm1 |
3.3.8-2ubuntu4+esm2 |
php-twigUbuntu:Pro:24.04:LTS From an advisory covering 2 CVEs |
before 3.8.0-2ubuntu0.1~esm1, plus listed versions 3.7.0-13.7.1-13.8.0-2 |
3.8.0-2ubuntu0.1~esm1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-51754 is a low vulnerability (CVSS 2.2) in Twigphp Twig, published November 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in twig/twig 3.11.2.
References
github.com/twigphp/Twig/security/advisories/GHSA-6377-hfv9-hqf6
lists.debian.org/debian-lts-announce/2025/05/msg00039.html
nvd.nist.gov/vuln/detail/CVE-2024-51754
symfony.com/blog/unguarded-calls-to-__tostring-when-nesting-an-object-into-an-array
Show 8 moreShow less
security-tracker.debian.org/tracker/CVE-2024-51754
ubuntu.com/security/CVE-2024-51754
cve.org/CVERecord?id=CVE-2024-51754
Left out here: 170 versions. The JSON record has them.