CVE-2026-28810: Erlang OTP

Predictable DNS Transaction IDs Enable Cache Poisoning in Built-in Resolver

CVSS 6.3 MediumEPSS 0.0027 · 19th percentile

Published by the CVE Program (CNA: EEF) at 7 Apr 2026, 07:50 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Erlang	OTP Package name: kernel pkg:otp/kernel?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git	affected 3.0 to before * otp Other versions: unknown
Erlang	OTP Package name: erlang/otp https://github.com pkg:github/erlang/otp	affected 17.0 to before * otp affected 07b8f441ca711f9812fad9e9115bab3c3aa92f79 to before * git Other versions: unknown

Identifiers

CVE-2026-28810

CNA

EEF

Weakness (CWE)

CWE-340

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.3	Medium	4.0	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	CNA (EEF)

CISA KEV Not listed.
EPSS 0.0027, the 19th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 7 Apr 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/erlang/otp/security/advisories/GHSA-v884-5jg5-whj8 vendor-advisoryrelated
cna.erlef.org/cves/CVE-2026-28810.html related
osv.dev/vulnerability/EEF-CVE-2026-28810 related
www.erlang.org/doc/system/versions.html#order-of-versions version-scheme
github.com/erlang/otp/commit/36f23c9d2cc54afe83671dd7343596d7972839a5 patch
github.com/erlang/otp/commit/dd15e8eb03548c5e55e9915f0e91389ec6bad9fd patch
github.com/erlang/otp/commit/b057a9d995017b1be50d6dc02edd52382f3231b8 patch

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.