CVE-2026-9603Public exploitNetwork attack vector

Unauthenticated record deletion via unchecked ID parameter

Published May 26, 2026 · Updated May 26, 2026

Missing authorization in SourceCodester Simple Doctor's Appointment System 1.0 allows remote attackers to delete session records. The /admin/delete-session.php endpoint accepts an attacker-selected ID and performs the deletion without verifying an authenticated administrator session. No authentication or user interaction is required, and exploitation removes selected session records without disclosing their contents.

CVSS severity6.5
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in SourceCodester Simple Doctor's Appointment System 1.0 allows remote attackers to delete session records. The /admin/delete-session.php endpoint accepts an attacker-selected ID and performs the deletion without verifying an authenticated administrator session. No authentication or user interaction is required, and exploitation removes selected session records without disclosing their contents.

The record

CVE
CVE-2026-9603
Published
May 26, 2026
Updated
May 26, 2026
Vendor
Online Computer and Laptop Store Project
Product
Simple Doctor's Appointment System
Classifications
CWE-862, CWE-863, T1485
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 26, 2026CVE publishedPublication date reported by the CVE source.
  2. May 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Online Computer and Laptop Store Project · Simple Doctor's Appointment Systemversion=1.0

Published CVSS scores

5.5VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.5VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
6.4VulDBAV:N/AC:L/Au:N/C:N/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-862Missing Authorization
CWE-863Incorrect Authorization
T1485Data Destruction

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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