CVE-2026-56729

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 ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 31.4% of scored records. A rank, not a probability.

NVD base score

2.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/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 2026-09-28.

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.

Published

2026-09-25 16:58Z1 MO AGO

Last updated

2026-09-25 17:09Z1 MO AGO

Reserved

2026-06-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Low (CVSS 2.1)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
• CWE-280Improper Handling of Insufficient Permissions or PrivilegesBase
• CWE-284Improper Access ControlPillar

Data version

5.2

Document digest

8d446dd5a8d568cc5723f9796d5232c4bcd3f4df873d0761ee9e370adf7ea2b1

• github.comhttps://github.com/zammad/zammad/security/advisories/GHSA-4m54-p3mr-22g2x_refsource_CONFIRM
• github.comhttps://github.com/zammad/zammad/commit/5076aa1e3081146f826ffaef686c89935fdb4393x_refsource_MISC
• github.comhttps://github.com/zammad/zammad/commit/7b6c0adec006e036c9e605c4141a091a6e08aadfx_refsource_MISC
• github.comhttps://github.com/zammad/zammad/commit/de5dc4195829e0e1a64307d60c9e06e0e781ab37x_refsource_MISC