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CVE Record

CVE-2026-9603: SourceCodester eDoc Doctor Appointment System delete-session.php authorization

A security vulnerability has been detected in SourceCodester eDoc Doctor Appointment System 1.0. This affects an unknown part of the file /admin/delete-session.php. The manipulation of the argument ID leads to missing authorization. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

MediumCVSS 6.9Not KEV-listed Updated
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Glexia's Take moderate

Analyst readout for executives and security teams

Plain-English summary

This flaw lets a remote unauthenticated attacker manipulate an ID value tied to /admin/delete-session.php in SourceCodester eDoc Doctor Appointment System 1.0. The likely business impact is improper deletion or disruption of appointment session records, not full system takeover based on available sources.

Executive priority

Treat this as a moderate-priority internet exposure issue. Prioritize systems handling patient or appointment operations, because unauthorized deletion can disrupt scheduling workflows even without evidence of data theft or full compromise.

Technical view

CVE-2026-9603 is a missing authorization issue in SourceCodester eDoc Doctor Appointment System 1.0, mapped to CWE-862 and CWE-863. The CVSS 4.0 score is 6.9 with network access, low complexity, no privileges, and no user interaction. Reported impact is low integrity and availability loss.

Likely exposure

Exposure is limited to organizations running SourceCodester eDoc Doctor Appointment System 1.0, especially internet-accessible deployments with the admin delete-session endpoint reachable. No other products or versions are supported by the provided evidence.

Exploitation context

Public exploit material is referenced and the advisory says remote exploitation is possible. The CVE is not listed as KEV in the provided bundle, so active exploitation is not established by the available evidence.

Researcher notes

The record identifies an unknown code region in /admin/delete-session.php and the ID argument as the authorization failure point. Available sources do not name a vendor patch, fixed version, or confirmed exploitation campaign.

Mitigation direction

  • Inventory for SourceCodester eDoc Doctor Appointment System 1.0 deployments.
  • Check vendor and project guidance for an official fix or update.
  • Restrict public access to administrative paths where operationally possible.
  • Require server-side authorization checks before session deletion actions.
  • Monitor for unexpected access to /admin/delete-session.php.

Validation and detection

  • Confirm whether the affected product and version are present.
  • Verify administrative delete actions require proper authorization server-side.
  • Review logs for unusual requests to /admin/delete-session.php.
  • Check whether ID manipulation caused unexpected session deletion.
  • Document compensating controls if no vendor fix is available.
Prepared
Confidence
medium
Sources
7

Public sources used

Based on public source material and reviewed before publication.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-862: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cwe · medium confidence lookup

CWE-863: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-9603 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profile CVE Program record
Severity
Medium
CVSS
6.9 (4.0)
Known Exploited
No
Published

Vector: CVSS: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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

4 CVSS vectors
6 Timeline events
1 ADP providers
7 Source links

SSVC decision data

CISA-ADP CISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

CVSS vector scores

4 official scores

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

Score Version Severity Vector Exploit Impact Source
6.9 CVSS 4.0 Medium CVSS: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 — — VulDB
6.5 CVSS 3.1 Medium CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R 3.9 2.5 VulDB
6.5 CVSS 3.0 Medium CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R 3.9 2.5 VulDB
6.4 CVSS 2.0 Medium AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR 10 4.9 VulDB

Vulnerability scoring details

Base CVSS 4.0 score

6.9 Medium
CVSS 4.0 vector shape for CVE-2026-9603 Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS: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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. Source timeline VulDB

    Advisory disclosed

  2. Source timeline VulDB

    VulDB entry created

  3. CVE reserved CVE Program

    The CVE ID was reserved by the assigning CNA.

  4. Source timeline VulDB

    VulDB entry last update

  5. CVE published CVE Program

    The CVE record was published.

  6. CVE updated CVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADP CISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

Vendor Product Version / package Status
SourceCodester eDoc Doctor Appointment System 1.0 Listed
Weakness

CWE details

CWE-862CWE-863

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-862 · source CWE mapping

Missing Authorization

Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligence Same-CWE CVEs
CWE-863 · source CWE mapping

Incorrect Authorization

Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligence Same-CWE CVEs