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Vulnerability record · CVE-2026-45068 · published 14 July 2026

CVE-2026-45068: Sensiolabs symfony argument injection vulnerability

Sensiolabs · Symfony

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, SendmailTransport in -t mode appended recipient addresses to the sendmail command line without a -- end-of-options separator, allowing an address beginning with - to be interpreted as a sendmail command-line option instead of an address. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12.

8.7 CVSS 4.0 High EPSS 0.52% · top 57.9% CWE-88 · Argument injection
8.7CVSS 4.0 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
15 Jul 2026Last modified by NVD

Description

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, SendmailTransport in -t mode appended recipient addresses to the sendmail command line without a -- end-of-options separator, allowing an address beginning with - to be interpreted as a sendmail command-line option instead of an address. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/symfony/symfony/commit/c45144862dc289d03952f41f6078174089a3afc6 Patch
https://github.com/symfony/symfony/releases/tag/v5.4.52 ProductRelease Notes
https://github.com/symfony/symfony/releases/tag/v6.4.40 ProductRelease Notes
https://github.com/symfony/symfony/releases/tag/v7.4.12 ProductRelease Notes
https://github.com/symfony/symfony/releases/tag/v8.0.12 ProductRelease Notes
https://github.com/symfony/symfony/security/advisories/GHSA-xx3c-qf5g-hc39 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-45068), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.