MEDIUM
CVE-2026-5840
CWE-74Published: April 9, 2026· Updated: Apr 13, 2026
4.7
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:7.8th
Official Description
A security flaw has been discovered in PHPGurukul News Portal Project 4.1. Impacted is an unknown function of the file /admin/check_availability.php. Performing a manipulation of the argument Username results in sql injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.
Technical Analysis
CVE-2026-5840 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Affected Vendors & Products
Mentioned vendors (from description):
PHP
CPE data not yet available in NVD for this CVE.
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (5)
Quick Facts
CVE IDCVE-2026-5840
CVSS Score4.7 / 10
SeverityMEDIUM
WeaknessCWE-74
CISA KEVNo
EPSS (30d)0.03%
PublishedApr 9, 2026
Related CVEs (CWE-74)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-5840 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.