CVE-2026-13586

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

0.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 28.1% of scored records. A rank, not a probability.

NVD base score

5.3 (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:N/VI:N/VA:L/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:Amber

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-28.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2026-08-03 02:58Z1 MO AGO

Last updated

2026-08-03 15:03Z1 MO AGO

Reserved

2026-06-29

Assigning CNA

bcorg

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-770Allocation of Resources Without Limits or ThrottlingBase
• CWE-606Unchecked Input for Loop ConditionBase

Data version

5.2

Document digest

08fcde8052f73df8b879f5c3ec85cb02c772b4fd0e5a54b3b6a4df96315688ec

• github.comhttps://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9013586vendor-advisory
• github.comhttps://github.com/bcgit/bc-java/commit/fa59cc23502f73def89d94374540cc92af647b96patch
• github.comhttps://github.com/bcgit/bc-java/commit/75d60dfb4ca72bea6da96234138bc9b1556ef5b0patch