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CVE-2026-106036medium6.9

Improper certificate validation in Szafir

Impact

Szafir versions up to 2.0 (before build 708) have an improper certificate validation weakness, allowing attackers to provide arbitrary SSL/TLS certificates and potentially download update files from their server. The application accepts any client or server certificate without validation. An attacker needs to provide a certificate to exploit this issue.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Krajowa Izba Rozliczeniowa · CERT-PL

Szafir

1 range
CERT-PL version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → through 2.0

custom versions

From build 708: unaffected

unaffected

unknown

Other versions: unaffected

Original source description

Szafir accepts any client or server certificate without performing certificate and hostname validation, allowing HTTPS connections without authenticating the remote server. An attacker can provide an arbitrary SSL/TLS certificate and cause the application to download an update file from their server.

This issue was fixed in version 2.0 build 708.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-106036

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-295 ↗

CWE-295 Improper certificate validation

CERT-PL

Related →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

CERT-PL · platform conditions

Any condition may hold

Any condition may hold

Vulnerable product

cpe:2.3:a:krajowa_izba_rozliczeniowa:szafir:*:*:*:*:*:*:*:*

From (inclusive): 0

Through (inclusive): 2.0

Original applicability statements
[
  {
    "operator": "OR",
    "nodes": [
      {
        "operator": "OR",
        "negate": false,
        "cpeMatch": [
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:krajowa_izba_rozliczeniowa:szafir:*:*:*:*:*:*:*:*",
            "versionStartIncluding": "0",
            "versionEndIncluding": "2.0"
          }
        ]
      }
    ]
  }
]
Contributing organizations · 1
CERT-PL

Assigning organization

2026-10-29

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.

References

2 sources
cert.pl/posts/2026/10/CVE-2026-93570
third-party-advisoryCERT-PL
www.elektronicznypodpis.pl/
productCERT-PL