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CVE-2026-112103

f3-factory fatfree-core HTTP Client web.php _curl certificate validation

CVSS score

6.3

EPSS probability

—

Risk score

0.6

Published

13 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

f3-factory fatfree-core HTTP Client web.php _curl Certificate Validation Vulnerability

Sources read

2

Source agreement

0/2

Evidence confidence

%39

Short explanation

A vulnerability has been found in f3-factory fatfree-core up to 3.9.2 within the _curl function of the web.php file in the HTTP Client component. This remote manipulation leads to improper certificate validation.

Why does it matter?

This security flaw can allow remote attackers to impact integrity through improper certificate validation. However, high attack complexity and difficult exploitability help limit the overall risk.

What should be done?

  • Upgrade to version 3.9.3 or later
  • Apply patch a2c755c8dc9ad0eb7d5fd261b09aff90f649433c
  • Follow vendor advisories
Note on uncertainty

3 alanda kaynak uyuşmazlığı var. DayBreach bu değerleri saklamadı; kaynak karşılaştırması aşağıda gösteriliyor.

Chain of evidence and sources2 verified claims

f3-factory fatfree-core 3.9.2 ve önceki sürümleri web.php dosyasındaki _curl fonksiyonu nedeniyle etkilenmektedir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd

Sorun 3.9.3 sürümüne yükseltilerek veya a2c755c8dc9ad0eb7d5fd261b09aff90f649433c yaması uygulanarak çözülebilmektedir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd
Show the technical text from the sources

A vulnerability has been found in f3-factory fatfree-core up to 3.9.2. This vulnerability affects the function _curl of the file web.php of the component HTTP Client. Such manipulation leads to improper certificate validation. The attack may be performed from remote. Attacks of this nature are highly complex. It is stated that the exploitability is difficult. Upgrading to version 3.9.3 is able to resolve this issue. The name of the patch is a2c755c8dc9ad0eb7d5fd261b09aff90f649433c. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X

CWE: CWE-295, CWE-287

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-112103 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1f3-factoryfatfree-core View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
6.3CVSS V40MEDIUMCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD
6.3CVSS V4_0MEDIUMCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:XCVE CNA
3.7CVSS V31LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:NNVD
3.7CVSS V3_1LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:CCVE CNA
3.7CVSS V3_0LOWCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:CCVE CNA
2.6CVSS V2—AV:N/AC:H/Au:N/C:N/I:P/A:NNVD
2.6CVSS V2_0—AV:N/AC:H/Au:N/C:N/I:P/A:N/E:ND/RL:OF/RC:CCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-112103 is associated with the following CWEs:

CWE-295: Common Weakness Enumeration Entry CWE-295CWE-287: Improper Authentication

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-112103 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

VDB-422019 | f3-factory fatfree-core HTTP Client web.php _curl certificate validationvendor-advisoryVDB-422019 | CTI Indicators (IOB, IOC, TTP, IOA)vendor-advisoryCVE-2026-112103 | CVE Analysis and Reportvendor-advisorySubmit #1013092 | fatfree fatfree-core <= 3.9.2 Information Disclosurevendor-advisoryhttps://github.com/f3-factory/fatfree-core/issues/412vendor-advisoryhttps://github.com/f3-factory/fatfree-core/commit/a2c755c8dc9ad0eb7d5fd261b09aff90f649433cpatchhttps://github.com/f3-factory/fatfree-core/releases/tag/3.9.3patchhttps://github.com/f3-factory/fatfree-core/vendor-advisory

CVSS Vector Radar Chart

6.3 / 10
Attack VectorNetworkComplexityHighPrivilegesNoneUser Interact.NoneConfidentialityHighIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)High
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama doğrulandı

4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

F
f3-factory logo
f3-factory

Weakness Type (CWE & CAPEC)

CWE-295 CWE-287

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