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CVE-2026-19721

XXE in TÜBİTAK BİLGEM's İmzager

Products / packages TÜBİTAK BİLGEM Software Technologies Research Institute İmzager

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Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 15/11/2026, 01:50:31 UTC
TR-CERT · CVSS:3.1 · 3.3
Assessment vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Severity

low3.3

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

TÜBİTAK BİLGEM's İmzager versions 2.10.5 before 2.10.7 have an XML external entity reference vulnerability, allowing serialized data external linking. The weakness is due to improper restriction of XML external entity references. This issue affects İmzager.

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

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

TÜBİTAK BİLGEM Software Technologies Research Institute · TR-CERT

İmzager

1 range
TR-CERT version evidence

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

affected

2.10.5 → before 2.10.7

semver versions

unaffected

unknown

Other versions: unaffected

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

Improper restriction of XML external entity reference vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute İmzager allows Serialized Data External Linking.

This issue affects İmzager: from 2.10.5 before 2.10.7.

References

1 sources
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1456
Source referenceTR-CERT

Inside the record

Evidence available

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

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

Original records

CVE-2026-19721

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-611 ↗

CWE-611 Improper restriction of XML external entity reference

TR-CERT

Related →
Contributing organizations · 2
TR-CERT

Assigning organization

2026-11-04
CISA-ADP

Additional data publisher

2026-11-09

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
  1. CVE · CVE-2026-19721

    Observed 2026-11-09T21:26:12.085Z · upstream updated 2026-11-09T21:20:55.401Z

    Prioritization updated

    before

    []

    after

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-11-09T21:20:46.542555Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "partial"
      }
    ]
  }
]

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

Showing up to 50 most recent observed changes.