FEDORA-2026-3942AB86FD: Security update for 4 packages

FEDORA-2026-3942AB86FD, released October 5, 2026, fixes 19 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0069

53rd percentile

Priority of the 19 CVEs

Patch now 0
                                Urgent 0
                                High 7
                                Routine 12

Fixed package versions

Product	Release	Fixed in
python-jupytext	Fedora 43	1.19.6-1.fc43
python-jupytext-doc	Fedora 43	1.19.6-1.fc43
python3-jupyterlab-jupytext	Fedora 43	1.19.6-1.fc43
python3-jupytext	Fedora 43	1.19.6-1.fc43

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-13676	node-ajv: fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode (IDN) hostnames for HTTP-family URLs	7.5	0.0069	None reported
High	CVE-2026-12143	form-data does not escape CR/LF/quote in multipart field names and filenames (CRLF injection)	7.5	0.0067	None reported
High	CVE-2026-67213	node-mocha: nanoid (Nano ID) before 5.1.6 contains an infinite loop in the customAlphabet and customRandom functions	7.5	0.0033	None reported
High	CVE-2026-67214	node-mocha: nanoid (Nano ID) before 3.3.16 and 5.1.16 contains an infinite loop in the customAlphabet and nanoid functions of its...	7.5	0.0033	None reported
High	CVE-2026-73086	node-mocha: nanoid is a secure, URL-friendly, unique string ID generator for JavaScript	7.4	0.0030	None reported
High	CVE-2026-84292	node-ajv: fast-uri serializes the port component of a URI without validating it	7.5	0.0024	None reported
High	CVE-2026-75899	node-ajv: fast-uri is a URI parser for Node.js	7.5	0.0022	None reported
Routine	CVE-2026-44990	golang-github-prometheus-prometheus: This update for golang-github-prometheus-prometheus fixes the following issues: golang-github-prometheus-prometheus...	n/a	0.0068	None reported
Routine	CVE-2026-73422	python3-jupyterlab-jupytext: See https://github.com/jupytext/jupytext/blob/main/CHANGELOG.md for changes in versions 1.19.5 and 1.19.6	n/a	0.0055	None reported
Routine	CVE-2026-71437	python3-jupytext: See https://github.com/jupytext/jupytext/blob/main/CHANGELOG.md for changes in versions 1.19.5 and 1.19.6	n/a	0.0050	None reported
Routine	CVE-2026-69153	node-postcss: PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstra...	5.3	0.0045	None reported
Routine	CVE-2026-75838	node-dompurify: DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in IN_PLACE sanitization where element-removal...	n/a	0.0039	None reported
Routine	CVE-2026-71438	python3-jupyterlab-jupytext: See https://github.com/jupytext/jupytext/blob/main/CHANGELOG.md for changes in versions 1.19.5 and 1.19.6	n/a	0.0035	None reported
Routine	CVE-2026-65903	node-dompurify: DOMPurify before 3.4.0 contains a logic error in the ADD_TAGS function where short-circuit evaluation allows forbidde...	n/a	0.0033	None reported
Routine	CVE-2026-84371	python3-jupyterlab-jupytext: See https://github.com/jupytext/jupytext/blob/main/CHANGELOG.md for changes in versions 1.19.5 and 1.19.6	n/a	0.0030	None reported
Routine	CVE-2026-73423	python3-jupyterlab-jupytext: See https://github.com/jupytext/jupytext/blob/main/CHANGELOG.md for changes in versions 1.19.5 and 1.19.6	n/a	0.0026	None reported
Routine	CVE-2026-86472	node-ajv: fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv	4.8	0.0025	None reported
Routine	CVE-2026-66010	node-dompurify: DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOM_ELEMENT_HA...	n/a	0.0022	None reported
Routine	CVE-2026-53606	golang-github-prometheus-prometheus: This update for golang-github-prometheus-prometheus fixes the following issues: golang-github-prometheus-prometheus...	n/a	0.0021	None reported

Also fixes CVE-2026-13676

RHSA-2026:57590
rh-podman-desktop on RHEL 10
OPENSUSE-SU-2026:21448-1
agama-web-ui on opensuse-leap 16.0
OPENSUSE-SU-2026:21231-1
python-pydata-sphinx-theme on opensuse-leap 16.0
DEBIAN-CVE-2026-13676
node-ajv on Debian 14

Vendor advisory

https://bodhi.fedoraproject.org/updates/FEDORA-2026-3942ab86fd

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