Security readout for executives and security teams
Plain-English summary
CVE-2026-23843 lets a logged-in user view quote records that belong to other users in teklifolustur_app. This is a business data exposure risk, especially if quotes contain customer names, pricing, terms, or sales information. The public sources identify a patch commit, but do not indicate active exploitation.
Executive priority
Prioritize remediation if the application stores sensitive customer quotes or pricing. The vulnerability requires login, but the business impact can be significant because authenticated users may access other users' commercial data. Patch promptly, especially for shared or externally accessible deployments.
Technical view
The issue is an Insecure Direct Object Reference in offer viewing. Authenticated users could alter the offer_id parameter and access offers not owned by their account because ownership authorization checks were missing. It affects sibercii6-crypto teklifolustur_app before commit dd082a134a225b8dcd401b6224eead4fb183ea1c. CVSS is 7.1 high, CWE-639.
Likely exposure
Exposure is limited to deployments of teklifolustur_app that are before the named patch commit. Attackers need valid application credentials. Internet-facing instances have higher risk because any authenticated user could potentially access other users' offer data.
Exploitation context
The sources describe a low-complexity, authenticated network attack with no user interaction. They do not state that exploitation is occurring in the wild, and the CVE is not listed as CISA KEV in the provided data.
Researcher notes
Public details identify the vulnerable object access pattern and patch commit, but not a release version, proof-of-concept status, or exploitation evidence. Focus review on authorization enforcement in offer view functionality and any similar direct object references in quote management workflows.
Mitigation direction
- Update teklifolustur_app to include commit dd082a134a225b8dcd401b6224eead4fb183ea1c or later.
- If no packaged release exists, follow the project advisory and apply the patch commit.
- Review offer access logic to enforce ownership checks for every offer view request.
- Audit application logs for unusual cross-account offer access patterns.
- Limit application access to trusted users until patched, where operationally feasible.
Validation and detection
- Confirm the deployed code includes commit dd082a134a225b8dcd401b6224eead4fb183ea1c or equivalent changes.
- Check whether offer view requests validate ownership against the authenticated user.
- Verify older deployments are tracked as vulnerable until patched.
- Review logs for repeated access attempts to many different offer identifiers.
- Document whether affected deployments are internet-facing or internal-only.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-639: Exact CWE lookup
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Open ATT&CK lookupCVE-2026-23843 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N2.84.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/sibercii6-crypto/teklifolustur_app/security/advisories/GHSA-6h9r-mmg3-cg7mCVE reference · x_refsource_CONFIRM
- https://github.com/sibercii6-crypto/teklifolustur_app/commit/dd082a134a225b8dcd401b6224eead4fb183ea1cCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.