CVE-2026-28808: Erlang OTP

ScriptAlias CGI targets bypass directory auth in inets httpd (mod_auth vs mod_cgi path mismatch)

CVSS 8.3 HighEPSS 0.0057 · 47th percentile

Published by the CVE Program (CNA: EEF) at 7 Apr 2026, 12:28 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: otp pkg:software-id/erlang.org/otp	affected 17.0 to before * otp Other versions: unknown
Erlang	OTP Package name: inets pkg:otp/inets?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git	affected 5.10 to before * otp Other versions: unknown
Erlang	OTP Package name: erlang/otp https://github.com pkg:github/erlang/otp	affected 07b8f441ca711f9812fad9e9115bab3c3aa92f79 to before * git Other versions: unknown

Identifiers

CVE-2026-28808

CNA

EEF

Weakness (CWE)

CWE-551 · CWE-863

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
8.3	High	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N	CNA (EEF)Used for this record
7.4	High	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N	ADP (redhat-SADP)

CISA KEV Not listed.
EPSS 0.0057, the 47th 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-3vhp-h532-mc3f relatedvendor-advisory
cna.erlef.org/cves/CVE-2026-28808.html related
osv.dev/vulnerability/EEF-CVE-2026-28808 related
www.erlang.org/doc/system/versions.html#order-of-versions version-scheme
github.com/erlang/otp/commit/07b8f441ca711f9812fad9e9115bab3c3aa92f79 related
github.com/erlang/otp/commit/8fc71ac6af4fbcc54103bec2983ef22e82942688 patch
github.com/erlang/otp/commit/9dfa0c51eac97866078e808dec2183cb7871ff7c 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.