CVE-2026-25940: PDF injection in AcroForm module allows arbitrary JavaScript execution (RadioButton children)
CVE-2026-25940 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- Critical
- CVSS base score
- 9.6 (Red Hat)
- Weakness
- CWE-116
- Fixed releases
- Red Hat: RHSA-2026:7110
- Listed by VulniPulse
- Record changed
Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-25940; each belongs to its advisory, not to every product listed. How records are collected and checked.
How do I fix CVE-2026-25940?
Upgrade to a fixed release named by the vendor:
- Red Hat: RHSA-2026:7110
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7110 (`sudo dnf update` / `yum update`). (Red Hat)
Vendor advisories for CVE-2026-25940
Red Hat
1 advisory- Advisory severityCritical9.6
Critical [CVE-2026-25940] PDF injection in AcroForm module allows arbitrary JavaScript execution (RadioButton children)
CVE-2026-25940Source published
PDF injection in AcroForm module allows arbitrary JavaScript execution (RadioButton children). Red Hat rates this important (CVSS 9.6). Weakness: CWE-116. Affected package(s): advanced-cluster-security/rhacs-main-rhel8:1775594119, advanced-cluster-security/rhacs-main-rhel8:1775594284. Resolved in Red Hat advisory RHSA-2026:7110 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat Advanced Cluster Security for Kubernetes 4.8
- Red Hat Advanced Cluster Security for Kubernetes 4.9
- Red Hat Advanced Cluster Security 4.8
- Red Hat Advanced Cluster Security 4.9
- Source-reported affected versions
- advanced-cluster-security/rhacs-main-rhel8:1775594119
- advanced-cluster-security/rhacs-main-rhel8:1775594284
- Source-reported fixed versions
- RHSA-2026:7110
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7110 (`sudo dnf update` / `yum update`).
Splunk
1 advisory- Advisory severityCritical
Critical [CVE-2025-13465 +86] Third-Party Package Updates in Splunk SOAR - August 2026
SVD-2026-0805Source published
This bulletin covers 87 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Splunk remedied common vulnerabilities and exposures (CVEs) in Third Party Packages in Splunk SOAR version 8.6.0, and higher. Affected product named by the advisory: Splunk SOAR 8.6.
- Affected products in this advisory
- Splunk SOAR 8.6
- Source-reported affected versions
- Splunk SOAR Below 8.6.0
- Source-reported fixed versions
- Splunk SOAR 8.6.0
- Mitigation guidance
- Upgrade Splunk SOAR to version 8.6.0, or higher.
References
More Red Hat advisories
CVE-2026-123158Nov 5, 2026Password authentication bypass via password hash misinterpretationCVE-2026-119977Oct 31, 2026Arbitrary code execution via predictable upgrade staging pathsCVE-2026-111497Oct 22, 2026Out-of-Bounds Write in Google Brotli DecoderCVE-2026-109619Oct 21, 2026fatal error handling retains stale request state leading to use-after-freeCVE-2026-109618Oct 21, 2026OOM bailout during request parsing leads to memory corruption and RCECVE-2026-97229Oct 13, 2026integer overflow issue in CI/CD regular expression compiler
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