XXE in TÜBİTAK BİLGEM's İmzager
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fixed in 2.10.7
- Who is exposed
- Not reported
Do first: Upgrade to a fixed version: 2.10.7.
- Exploitation?/40Exploitation: unknown (data gap). No CISA SSVC exploitation rating yet
- Exposure?/25Exposure: unknown (data gap). No advisory context yet
- Reach?/20Reach: unknown (data gap). No tracked technology or package matched
- Severity3.3/10CVSS 3.3
- No patch0/5No signal
What would change the score
- Would score about 58 if added to CISA KEV
- Would score about 53 if CISA's SSVC rates exploitation active
- Would score about 25 if advisories confirm default setups are exposed
CVE-2026-19721 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 3.3 (low) and affects İmzager; fixed in 2.10.7.
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- Published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- FIRST's estimate of the chance attackers exploit it in the next 30 days, updated daily.What do these mean? →
- 0.11% · 1st percentile
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 3/100 · provisional
- Fix
- Fixed in 2.10.7
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The XXE vulnerability in TÜBİTAK BİLGEM's İmzager software lets an attacker change the software's XML processing to reference external entities, which can lead to limited information disclosure. An attacker must have local access to the system, does not need to log in, but needs a user to take an action to trigger the flaw.
Read the original 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.
What to do
Upgrade to a fixed version: 2.10.7.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- TÜBİTAK BİLGEM Software Technologies Research Institute İmzager
From 2.10.5 · fixed in 2.10.7
Evidence 1
- Link
Corrections
None so far.
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Questions about CVE-2026-19721
Is CVE-2026-19721 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-19721?
İmzager: from 2.10.5 before 2.10.7.Source: cve.now feed data
How do I fix CVE-2026-19721?
Upgrade to a fixed version: 2.10.7.Source: cve.now feed data