01 Record
CVE-2026-87727
a-blog cms Ver. 3.2.33 and earlier contains a path traversal vulnerability, which allows an unauthenticated attacker to read or delete arbitrary files on the affected product.
MediumPUBLISHEDCNA: jpcert
CNA base score6.9 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
02 Description
a-blog cms Ver. 3.2.33 and earlier contains a path traversal vulnerability, which allows an unauthenticated attacker to read or delete arbitrary files on the affected product.
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.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 34.8% of scored records. A rank, not a probability.
- NVD base score
- 6.9 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-16.
- 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
- 2026-09-11 08:14Z1 MO AGO
- Last updated
- 2026-09-11 15:12Z1 MO AGO
- Reserved
- 2026-09-09
- Assigning CNA
- jpcert
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
- Data version
- 5.2
- Document digest
- ad3452edea2211fd16968f7ae1730ca5e95710bf17505e60e7cfa7154b6d9835
05 Affected products
VendorProductVersionsPlatforms
06 References
- jvn.jphttps://jvn.jp/en/jp/JVN20829034/
- developer.a-blogcms.jphttps://developer.a-blogcms.jp/blog/news/JVN-20829034.html