CVE-2026-4800
critical
CVSS v3
9.8
CVSS v2
—
VIR risk
9.8
Description
Important: pcs security update
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-10710.html
Vendor advisory: alma — https://bugzilla.redhat.com/2453496
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-4800
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:19167
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:10710
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 4.18.1+dfsg-1 |
| debian | sid | fixed | 4.18.1+dfsg-1 |
| debian | trixie | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | lodash | >=4.0.0,<4.18.0 | 4.18.0 |
| npm | lodash-es | >=4.0.0,<4.18.0 | 4.18.0 |
| npm | lodash-amd | >=4.0.0,<4.18.0 | 4.18.0 |
| npm | lodash.template | >=4.0.0,<4.18.0 | 4.18.0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| lodash | lodash | {"startIncluding":"4.0.0","endExcluding":"4.18.0"} | 4.18.0 |
| lodash | lodash-amd | {"startIncluding":"4.0.0","endExcluding":"4.18.0"} | 4.18.0 |
| lodash | lodash-es | {"startIncluding":"4.0.0","endExcluding":"4.18.0"} | 4.18.0 |
| lodash | lodash.template | {"startIncluding":"4.0.0","endExcluding":"4.18.0"} | 4.18.0 |
References
- https://access.redhat.com/errata/RHSA-2026:10710
- https://access.redhat.com/errata/RHSA-2026:19167
- https://cna.openjsf.org/security-advisories.html
- https://github.com/advisories/GHSA-35jh-r3h4-6jhm
- https://github.com/lodash/lodash/commit/3469357cff396a26c363f8c1b5a91dde28ba4b1c
- https://github.com/lodash/lodash/security/advisories/GHSA-r5fr-rjxr-66jc
- https://nvd.nist.gov/vuln/detail/CVE-2026-4800
- https://github.com/lodash/lodash
- https://security-tracker.debian.org/tracker/CVE-2026-4800
- https://bugzilla.redhat.com/2453496
- https://errata.almalinux.org/9/ALSA-2026-10710.html
CWEs
CWE-94
Verify integrity in audit chain (admin only). AS-IS.