01 Record
CVE-2026-102489
Undisclosed RCE in Zammad v6.3 and higher
HighKEVPUBLISHEDCNA: DIVD
CNA base score8.7 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:A/AU:Y/V:C
02 Description
Undisclosed RCE in Zammad v6.3 and higher
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-10-02. Federal remediation due 2026-10-05.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.58% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 45.8% of scored records. A rank, not a probability.
- NVD base score
- 9.4 (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:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/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:Y/R:X/V:C/RE:X/U:X
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-02.
- 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
- 2026-09-30 16:21Z2 DAYS AGO
- Last updated
- 2026-10-02 19:58Z2 HR AGO
- Reserved
- 2026-09-29
- Assigning CNA
- DIVD
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.7)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:A/AU:Y/V:C
- Weaknesses
- CWE-384Session FixationCompound
- Data version
- 5.2
- Document digest
- 20f52a9adf3ca4b3f86985fec5bf69a754162e682627360d6e0db0ad6dbba105
05 Affected products
VendorProductVersionsPlatforms