CVE-2026-26274
CVE-2026-26274 is a medium-severity vulnerability with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-184.
Key facts
- Severity: Medium (CVSS 3.x base score 6.6)
- EPSS exploit prediction: 0% (14th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-24155
- Weakness: CWE-184
- Published:
- Last modified:
Description
October is a Content Management System (CMS) and web platform. Prior to 3.7.14 and 4.1.10, a vulnerability was identified in the Twig sandbox security policy that allowed database write operations when cms.safe_mode is enabled. Backend users with Developer permissions could use Twig template markup to execute insert, update, and delete operations on any database table through the query builder, which is included in the sandbox allow-list. This vulnerability is fixed in 3.7.14 and 4.1.10.
Frequently asked questions
- What is CVE-2026-26274?
- October is a Content Management System (CMS) and web platform. Prior to 3.7.14 and 4.1.10, a vulnerability was identified in the Twig sandbox security policy that allowed database write operations when cms.safe_mode is enabled. Backend users with Developer permissions could use Twig template markup to execute insert, update, and delete operations on any database table through the query builder, which is included in the sandbox allow-list. This vulnerability is fixed in 3.7.14 and 4.1.10.
- How severe is CVE-2026-26274?
- CVE-2026-26274 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-26274 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-26274?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-26274 have an EU (EUVD) identifier?
- Yes. CVE-2026-26274 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24155.
- When was CVE-2026-26274 published?
- CVE-2026-26274 was published on 2026-04-21 and last updated on 2026-06-17.
References
Other CWE-184 vulnerabilities
- CVE-2026-28363 — Critical (CVSS 9.9): In OpenClaw before 2026.2.23, tools.exec.safeBins validation for sort could be bypassed via GNU long-option…
- CVE-2026-56315 — Critical (CVSS 9.8): picklescan before 1.0.4 fails to block at least seven Python standard library modules (including uuid, _osx_support,…
- CVE-2026-53873 — Critical (CVSS 9.8): picklescan before 1.0.4 contains an incomplete blocklist for the profile module that fails to block the module-level…
- CVE-2025-71323 — Critical (CVSS 9.8): picklescan before 0.0.33 fails to block the ctypes module, allowing attackers to achieve remote code execution by…
- CVE-2025-71320 — Critical (CVSS 9.8): picklescan before 0.0.33 contains an incomplete deny-list that fails to block pydoc.locate and operator.methodcaller…
- CVE-2026-41264 — Critical (CVSS 9.8): Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the specific…