CVE-2024-51755
Unguarded calls to __isset() and to array-accesses when the sandbox is enabled in Twig
Twig is a template language for PHP. In a sandbox, an attacker can access attributes of Array-like objects as they were not checked by the security policy. They are now checked via the property policy and the __isset() method is now called after the security check. This is a BC break. 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 __isset() and to array-accesses when the sandbox is enabled in Twig
Twig is a template language for PHP. In a sandbox, an attacker can access attributes of Array-like objects as they were not checked by the security policy. They are now checked via the property policy and the __isset() method is now called after the security check. This is a BC break. 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-2024-51755- 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-2024-3273
Twig is a template language for PHP. In a sandbox, an attacker can access attributes of Array-like objects as they were not checked by the security policy. They are now checked via the property policy and the __isset() method is now called after the security check. This is a BC break. 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-2024-3273- 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
- 2026-11-03
GitHub AdvisoriesGHSA-jjxq-ff2g-95vh
Twig has unguarded calls to `__isset()` and to array-accesses when the sandbox is enabled
Description
In a sandbox, and attacker can access attributes of Array-like objects as they were not checked by the security policy.
They are now checked via the property policy and the __isset() method is now called after the security check.
This is a BC break.
Resolution
The sandbox mode now ensures access to array-like's properties is allowed.
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 Nicolas Grekas for providing the fix.
- Record
GHSA-jjxq-ff2g-95vh- 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 access attributes of Array-like objects as they were not checked by the security policy. They are now checked via the property policy and the __isset() method is now called after the security check. This is a BC break. 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-2024-51755- 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 __isset() and to array-accesses when the sandbox is enabled in Twig
Twig is a template language for PHP. In a sandbox, an attacker can access attributes of Array-like objects as they were not checked by the security policy. They are now checked via the property policy and the __isset() method is now called after the security check. This is a BC break. 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-2024-51755- 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-2024-51755
Twig is a template language for PHP. In a sandbox, an attacker can access attributes of Array-like objects as they were not checked by the security policy. They are now checked via the property policy and the __isset() method is now called after the security check. This is a BC break. 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-2024-51755- 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 5 moreShow less
OSVGHSA-jjxq-ff2g-95vh
Twig has unguarded calls to `__isset()` and to array-accesses when the sandbox is enabled
Description
In a sandbox, and attacker can access attributes of Array-like objects as they were not checked by the security policy.
They are now checked via the property policy and the __isset() method is now called after the security check.
This is a BC break.
Resolution
The sandbox mode now ensures access to array-like's properties is allowed.
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 Nicolas Grekas for providing the fix.
- Record
GHSA-jjxq-ff2g-95vh- 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-2024-51755
Twig is a template language for PHP. In a sandbox, an attacker can access attributes of Array-like objects as they were not checked by the security policy. They are now checked via the property policy and the __isset() method is now called after the security check. This is a BC break. 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-2024-51755- 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-2026-1788348414 No score
TuxCare security update for twig/twig (1 CVE)
TuxCare rebuilt twig/twig to address 1 CVE. Fixed in v1.44.8-p2+tuxcare.
- Record
CLSA-2026-1788348414- 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 |
v1.44.8 up to v1.44.8-p2+tuxcare, plus listed versions v1.44.8-p1+tuxcare |
v1.44.8-p2+tuxcare |
php-twigDebian:12 |
All versions, plus listed versions 3.10.1-13.10.3-13.11.0-13.13.0-13.14.0-1 Show 45 moreShow less3.14.0-23.14.0-33.14.0-43.14.2-13.14.2-23.14.2-33.15.0-13.15.0-23.17.1-13.17.1-23.18.0-13.18.0-23.18.0-43.18.0-53.18.0-63.18.0-73.19.0-13.19.0-1~bootstrap3.20.0-13.20.0-1~bootstrap3.20.0-23.21.1-13.21.1-23.21.1-33.22.0-13.22.0-23.22.1-13.22.1-23.22.1-33.22.2-13.22.2-23.23.0-13.23.0-23.24.0-13.26.0-13.27.0-13.27.1-13.28.0-13.30.0-13.5.1-13.5.1-1+deb12u13.5.1-1+deb12u23.5.1-1+deb12u33.6.0-13.6.1-1 |
None known |
php-twigDebian:13 |
before 3.14.2-1 | 3.14.2-1 |
php-twigDebian:14 |
before 3.14.2-1 | 3.14.2-1 |
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 |
twig/twigPackagist |
3.12 up to 3.14.1, plus listed versions v3.12.0v3.13.0v3.14.0 |
3.14.1 |
Show 5 moreShow less
| Package | Affected | Fixed |
|---|---|---|
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 |
All versions, plus listed versions 2.11.3-22.12.1-12.12.2-12.12.3-12.12.5-12.12.5-1ubuntu0.1~esm12.12.5-1ubuntu0.1~esm2 |
None known |
php-twigUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 3.3.2-1ubuntu33.3.4-13.3.6-13.3.7-13.3.8-2ubuntu43.3.8-2ubuntu4+esm13.3.8-2ubuntu4+esm2 |
None known |
php-twigUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 3.7.0-13.7.1-13.8.0-23.8.0-2ubuntu0.1~esm13.8.0-2ubuntu13.8.0-2ubuntu1+esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-51755 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-jjxq-ff2g-95vh
nvd.nist.gov/vuln/detail/CVE-2024-51755
symfony.com/blog/unguarded-calls-to-__isset-and-to-array-accesses-when-the-sandbox-is-enabled
Left out here: 180 versions. The JSON record has them.