CVE-2026-112880

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 8.3% 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:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/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

Awaiting Analysis. NVD last modified this record on 2026-10-26.

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

2026-10-26 13:48Z2 DAYS AGO

Last updated

2026-10-26 15:35Z2 DAYS AGO

Reserved

2026-10-26

Assigning CNA

EEF

Record state

PUBLISHED

Severity

Low (CVSS 2.1)

CNA CVSS vector

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

Weaknesses

• CWE-113Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')Variant

Data version

5.2

Document digest

87f1cd3ed48c2e97ca246cd24faf407c6fdc221d14b506f8f6285851f3b6a1ad

• github.comhackney 4.9.0 release noteshttps://github.com/benoitc/hackney/releases/tag/4.9.0vendor-advisoryrelated
• cna.erlef.orgEEF CNA record for CVE-2026-112880https://cna.erlef.org/cves/CVE-2026-112880.htmlrelated
• osv.devOSV record EEF-CVE-2026-112880https://osv.dev/vulnerability/EEF-CVE-2026-112880related
• github.comRefuse CR/LF/NUL in the proxy_auth_fun result (benoitc/hackney#989)https://github.com/benoitc/hackney/pull/989related
• github.comIntroducing commit 5df5a74 in benoitc/hackneyhttps://github.com/benoitc/hackney/commit/5df5a74a2817d5b12880d217db33253ff1fae1b5related
• github.comFix commit 5ee7d7d in benoitc/hackneyhttps://github.com/benoitc/hackney/commit/5ee7d7d19eba27e774667d472feb1e93a08af7f9patch