01 Record
CVE-2026-5750
Insecure direct object reference (IDOR) vulnerability in Fullstep
HighPUBLISHEDCNA: INCIBE
CNA base score7.6 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
02 Description
Insecure direct object reference (IDOR) vulnerability in Fullstep
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.20% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 10.7% of scored records. A rank, not a probability.
- NVD base score
- 7.6 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/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:X
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-04-22 13:25Z6 MO AGO
- Last updated
- 2026-04-22 13:59Z6 MO AGO
- Reserved
- 2026-04-07
- Assigning CNA
- INCIBE
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.6)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-639Authorization Bypass Through User-Controlled KeyBase
- Data version
- 5.2
- Document digest
- b3e43181bed358de237bc35dbf900b990f1bc1f04c8867431f99eb32da7b749b
05 Affected products
VendorProductVersionsPlatforms
06 References
07 Remediation
The vulnerability has been fixed by the Fullstep team in version 5.30.07, which has been available in production since January 29, 2026.