CVE-2026-55803
🔶 mediumSummary
Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allows Object Injection. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.
CVSS Score
5.9
Medium
EPSS Score
0.2
Exploit Probability
Published Date
2026-07-10
First Seen: 2026-07-11
📊 Relative Risk Intelligence
This CVE is Lower Risk - more severe than 32.4% of all 348,756 vulnerabilities in our database.
#235,842
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jul 13, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Total
Complete system compromise possible
🏆 Discovered By
Michael Maturi (michaelmaturi)
Björn Brala (bbrala) (remediation developer)
Sascha Grossenbacher (berdir) (remediation developer)
Lee Rowlands (larowlan) (remediation developer)
Dave Long (longwave) (remediation developer)
Drew Webber (mcdruid) (remediation developer)
Anna Kalata (akalata) (coordinator)
Benji Fisher (benjifisher) (coordinator)
Damien McKenna (damienmckenna) (coordinator)
David Strauss (david strauss) (coordinator)
Neil Drumm (drumm) (coordinator)
Greg Knaddison (greggles) (coordinator)
Tim Hestenes Lehnen (hestenet) (coordinator)
Lee Rowlands (larowlan) (coordinator)
Dave Long (longwave) (coordinator)
Drew Webber (mcdruid) (coordinator)
Juraj Nemec (poker10) (coordinator)
Ra Mänd (ram4nd) (coordinator)
Jess (xjm) (coordinator)
SSVC data provided by
CISA
Last Modified
2026-07-16
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
CWE IDs (Weakness Types)