CVE-2026-108973

A vulnerability was determined in SourceCodester Contact Tracing System 1.0. Affected by this issue is the function move_uploaded_file of the file /classes/Users.php?f=save. This manipulation of the argument img/id causes unrestricted upload. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

CVSS 4.0

5.5CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-25)

CWEs

CWE-284, CWE-434

Published

2026-10-13

Modified

2026-10-13

Record from

the NVD, synced 2026-10-19

References

• https://tracexlabs.com/releases/contact-tracing-preauth-rce.html
• https://vuldb.com/cve/CVE-2026-108973
• https://vuldb.com/submit/1000527
• https://vuldb.com/vuln/416792
• https://vuldb.com/vuln/416792/cti

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