CVE-2026-16089

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.0% of scored records. A rank, not a probability.

NVD base score

5.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-08-31.

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

2026-07-17 14:15Z1 MO AGO

Last updated

2026-08-31 15:01Z4 DAYS AGO

Reserved

2026-07-17

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:N

Weaknesses

• CWE-384Session FixationCompound
• CWE-472External Control of Assumed-Immutable Web ParameterBase

Data version

5.2

Document digest

9ad3bcba6569a79144b0c2e8c7f811d250694a7d198a1b65d524596bad1072e9

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-16089vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2501724https://bugzilla.redhat.com/show_bug.cgi?id=2501724issue-trackingx_refsource_REDHAT