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CVE Record

CVE-2026-9412: SourceCodester Indian Invoicing System Backend Endpoint access control

A vulnerability was determined in SourceCodester Indian Invoicing System 1.0. Impacted is an unknown function of the component Backend Endpoint. Executing a manipulation can lead to improper access controls. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. Multiple endpoints are affected.

MediumCVSS 6.5Not KEV-listed Updated
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Glexia's Take moderate

Analyst readout for executives and security teams

Plain-English summary

CVE-2026-9412 is a broken access control issue in SourceCodester Indian Invoicing System 1.0. A remote authenticated user may manipulate backend endpoints and gain improper access. Public proof-of-concept material exists, but the provided sources do not confirm active exploitation or a vendor patch.

Executive priority

Treat as a near-term remediation item for any deployed instance. It is not confirmed as actively exploited, but public exploit disclosure and financial workflow relevance justify prompt inventory, access restriction, and vendor-guidance checks.

Technical view

The sources describe improper access control across multiple backend endpoints in Indian Invoicing System 1.0, mapped to CWE-266 and CWE-284. CVSS v2 is 6.5 with network attack vector, low complexity, authentication required, and partial confidentiality, integrity, and availability impact.

Likely exposure

Exposure is likely limited to organizations running SourceCodester Indian Invoicing System 1.0, especially internet-accessible or broadly reachable deployments. The CVSS vector indicates authentication is required, reducing unauthenticated mass-exploitation risk but not insider or compromised-account risk.

Exploitation context

VulDB states exploit material has been publicly disclosed and may be used. The bundle marks CISA KEV as false, and no cited source confirms in-the-wild exploitation. Endpoint details and vulnerable functions are incomplete in the provided evidence.

Researcher notes

Evidence is thin: the vulnerable function is unknown, multiple endpoints are affected, and no patch is named. Research should focus on version confirmation, endpoint authorization boundaries, role separation, and whether published proof-of-concept details match production exposure.

Mitigation direction

  • Check SourceCodester and VulDB for vendor guidance or a patched release.
  • Restrict backend endpoint access to trusted networks and authorized roles.
  • Review authorization checks before invoice, admin, or data-changing backend actions.
  • Disable or isolate affected deployments if compensating controls are unavailable.
  • Monitor application logs for unusual authenticated backend activity.

Validation and detection

  • Confirm whether Indian Invoicing System 1.0 is deployed anywhere.
  • Identify whether backend endpoints are internet-accessible or VPN-only.
  • Review user roles for excessive access to backend functions.
  • Test authorization boundaries with approved accounts in a controlled environment.
  • Check logs for unexpected authenticated access to backend endpoints.
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 · low confidence lookup

CWE-266: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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.

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cwe · medium confidence lookup

CWE-284: 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-2026-9412 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
6.5 (2.0)
Known Exploited
No
Published

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

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
6 Source links

SSVC decision data

CISA-ADP CISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical 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
6.5 CVSS 2.0 Medium AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR 8 6.4 VulDB
6.3 CVSS 3.1 Medium CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R 2.8 3.4 VulDB
6.3 CVSS 3.0 Medium CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R 2.8 3.4 VulDB
5.3 CVSS 4.0 Medium CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P — — VulDB

Vulnerability scoring details

Base CVSS 4.0 score

5.3 Medium
CVSS 4.0 vector shape for CVE-2026-9412 Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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 Indian Invoicing System 1.0 Listed
Weakness

CWE details

CWE-266CWE-284

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

CWE-266 · source CWE mapping

CWE mapping pending import

This CVE carries a CWE mapping that will resolve to a full Glexia CWE intelligence page after the official CWE import is complete.

Open CWE intelligence Same-CWE CVEs
CWE-284 · source CWE mapping

CWE mapping pending import

This CVE carries a CWE mapping that will resolve to a full Glexia CWE intelligence page after the official CWE import is complete.

Open CWE intelligence Same-CWE CVEs