CVE-2026-86277
MEDIUM 6.9 PoC AVAILABLE ALL-YEARSA vulnerability has been found in SourceCodester Syllabus-Aligned Learning Management & Examination System 1.0. Impacted is an unknown function of the file delete_exam.php. The manipulation of the argument ID leads to authorization bypass. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
Public exploit or PoC code exists. The barrier to attack is reduced — watch closely.
Exploitation likelihood
0.5%chance of exploitation in 30 days · 43rd percentile
Impact if exploited
6.9CVSS 4.0 · MEDIUM · CNA
- ConfidentialityLow
- IntegrityLow
- AvailabilityLow
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
- ✓Requirements: No special attack requirements
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
- reference https://github.com/hackliu/Vulnerability-Reports/blob/master/Syllabus%20Aligned%20Learning%20Management%20Examination%20System/VULN-04-IDOR-Broken-Access-Control.md
- github-search https://github.com/search?q=%22CVE-2026-86277%22&type=repositories
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-86277/poc.jsonMachine-readable PoC index for this CVE (for automation).For defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-86277/poc.json
Weakness (CWE)
- CWE-639: Authorization Bypass
- CWE-285: Improper Authorization
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
All CVSS metrics
- MEDIUM 6.9 v4.0 · CNA Primary
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - HIGH 7.3 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - HIGH 7.3 v3.0 · CNA Primary
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - HIGH 7.5 v2.0 · CNA Primary
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR - MEDIUM 5.5 v4.0 · NVD Secondary
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:X - HIGH 7.3 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - HIGH 7.5 v2.0 · NVD Secondary
AV:N/AC:L/Au:N/C:P/I:P/A:P