CVE-2026-76572

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 25.9% of scored records. A rank, not a probability.

NVD base score

5.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-08-20.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-19 19:30Z15 DAYS AGO

Last updated

2026-08-20 12:30Z15 DAYS AGO

Reserved

2026-08-19

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.1)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

Weaknesses

• CWE-610Externally Controlled Reference to a Resource in Another SphereClass
• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.2

Document digest

9c9cc3a48007098b66a2594491974ddc1679b27d7a74fd7682bed2987eade8e0

• vuldb.comVDB-393037 | pkp pkp-lib XSLTransformer.php _transformPHP xml external entity referencehttps://vuldb.com/vuln/393037vdb-entrytechnical-description
• vuldb.comVDB-393037 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/393037/ctisignaturepermissions-required
• vuldb.comCVE-2026-76572 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-76572third-party-advisory
• vuldb.comSubmit #878359 | Public Knowledge Project OJS/OMP/OPS 3.3.0-22 and older XML Injectionhttps://vuldb.com/submit/878359third-party-advisory
• github.comhttps://github.com/pkp/pkp-lib/issues/12977issue-tracking
• github.comhttps://github.com/pkp/pkp-lib/commit/78c699370ea43ae2784e1c4ace7c947d207f2b47patch
• github.comhttps://github.com/pkp/pkp-lib/releases/tag/3_5_0-5patch
• github.comhttps://github.com/pkp/pkp-lib/product