CVE Explorer
CVE-2026-8931
A critical Remote Code Execution (RCE) vulnerability exists in Disig Web Signer versions 2.0.3 through 2.5.3.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Web Signer","vendor":"Disig","versions":[{"lessThanOrEqual":"2.5.3","status":"affected","version":"2.0.3","versionType":"custom"},{"status":"unaffected","version":"2.5.5"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:7b3ccd131cc4b6ef91e9654b7ded61234d92edb2d25fa3d65e33f2ba1bf88cf4 · sha256:122fd70af1efd439… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityIm…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:7b3ccd131cc4b6ef91e9654b7ded61234d92edb2d25fa3d65e33f2ba1bf88cf4 · sha256:122fd70af1efd439… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-94","description":"CWE-94 Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:7b3ccd131cc4b6ef91e9654b7ded61234d92edb2d25fa3d65e33f2ba1bf88cf4 · sha256:122fd70af1efd439… · /containers/adp/0/problemTypes/0/descriptions/0
Source references
6 source assertions{"url":"https://download.disigcdn.sk/cdn/products/websigner2/changelog.en.txt"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7b3ccd131cc4b6ef91e9654b7ded61234d92edb2d25fa3d65e33f2ba1bf88cf4 · sha256:122fd70af1efd439… · /containers/cna/references/2
{"url":"https://download.disigcdn.sk/cdn/products/websigner2/changelog.sk.txt"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7b3ccd131cc4b6ef91e9654b7ded61234d92edb2d25fa3d65e33f2ba1bf88cf4 · sha256:122fd70af1efd439… · /containers/cna/references/3
{"url":"https://qesportal.sk/Portal/en/Info/News#websigner255"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7b3ccd131cc4b6ef91e9654b7ded61234d92edb2d25fa3d65e33f2ba1bf88cf4 · sha256:122fd70af1efd439… · /containers/cna/references/4
{"url":"https://qesportal.sk/Portal/sk/Info/News#websigner255"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7b3ccd131cc4b6ef91e9654b7ded61234d92edb2d25fa3d65e33f2ba1bf88cf4 · sha256:122fd70af1efd439… · /containers/cna/references/5
{"url":"https://www.disig.sk/en/news/important-update-of-the-web-signer-application/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7b3ccd131cc4b6ef91e9654b7ded61234d92edb2d25fa3d65e33f2ba1bf88cf4 · sha256:122fd70af1efd439… · /containers/cna/references/0
{"url":"https://www.disig.sk/sk/aktuality/dolezita-aktualizacia-aplikacie-web-signer/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7b3ccd131cc4b6ef91e9654b7ded61234d92edb2d25fa3d65e33f2ba1bf88cf4 · sha256:122fd70af1efd439… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.