CVE-2026-23941

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

0.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 37.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

Modified. NVD last modified this record on 2026-07-24.

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

2026-03-13 09:11Z5 MO AGO

Last updated

2026-07-24 14:15Z1 MO AGO

Reserved

2026-01-19

Assigning CNA

EEF

Record state

PUBLISHED

Severity

High (CVSS 7.0)

CNA CVSS vector

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

Weaknesses

• CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')Base

Data version

5.2

Document digest

d0efd8ef04e9836af20c9b1702edad3716c7ebce6f100d8626356a0815b55ddd

• github.comhttps://github.com/erlang/otp/security/advisories/GHSA-w4jc-9wpv-pqh7vendor-advisoryrelated
• cna.erlef.orghttps://cna.erlef.org/cves/CVE-2026-23941.htmlrelated
• osv.devhttps://osv.dev/vulnerability/EEF-CVE-2026-23941related
• www.erlang.orghttps://www.erlang.org/doc/system/versions.html#order-of-versionsx_version-scheme
• github.comhttps://github.com/erlang/otp/commit/a4b46336fd25aa100ac602eb9a627aaead7eda18patch
• github.comhttps://github.com/erlang/otp/commit/a761d391d8d08316cbd7d4a86733ba932b73c45bpatch
• github.comhttps://github.com/erlang/otp/commit/e775a332f623851385ab6ddb866d9b150612ddf6patch