CVE-2026-48806: Php twig · Twig is a template language for PHP
Affects php-twigSource GCVE Database
Not known to be exploited · CVSS 9.1 Critical · fixed in 3.27.0 : patch php-twig as a priority.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 35% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.27.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10php-twigpkg:deb/ubuntu/php-twig?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu Pro 26.04 LTSphp-twigpkg:deb/ubuntu/php-twig?arch=source&distro=esm-apps/resoluteOther threats | Affected
| Fixed in– |
Ubuntu 25.10php-twigpkg:deb/ubuntu/php-twig?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu Pro 24.04 LTSphp-twigpkg:deb/ubuntu/php-twig?arch=source&distro=esm-apps/nobleOther threats | Affected
| Fixed in– |
Ubuntu Pro 22.04 LTSphp-twigpkg:deb/ubuntu/php-twig?arch=source&distro=esm-apps/jammyOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTSphp-twigpkg:deb/ubuntu/php-twig?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade Twig to version 3.27.0 or later, where this vulnerability is fixed. No other mitigations are specified or required.
Description
Twig, a PHP template language, has a vulnerability in versions prior to 3.27.0 where dynamic mapping keys coerced to strings are not properly guarded. This flaw allows PHP to invoke the __toString() method on a Stringable object without sandbox checks. The vulnerability is fixed in version 3.27.0.
References
- ubuntu.com/security/CVE-2026-48806 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-48806 (opens in a new tab)
- symfony.com/blog/cve-2026-48806-sandbox-tostring-policy-bypass-via-dynamic-mapping-keys (opens in a new tab)
- github.com/twigphp/Twig/commit/9ff41014639ef0e8eb50ac7669191c309d863105 (opens in a new tab)
- github.com/twigphp/Twig/releases/tag/v3.27.0 (opens in a new tab)
- github.com/twigphp/Twig/security/advisories/GHSA-5v5v-ww74-355v (opens in a new tab)