CVE-2026-113866

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

0.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 30.0% 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:N/S:U/C:H/I:N/A:N

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-22.

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

2026-10-20 19:14Z8 DAYS AGO

Last updated

2026-10-20 19:46Z8 DAYS AGO

Reserved

2026-10-20

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

• CWE-523Unprotected Transport of CredentialsBase

Data version

5.2

Document digest

02fcca393dbf7bfc64603aa721a26c47bd3342d773e6e2d638a08db9193de285

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=2080121
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-114/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-115/