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VulnerabilityPublished

CVE-2026-124553: funstory-ai BabelDOC · Unthrottled Resource Allocation

Affects funstory-ai BabelDOCSource CVE Database V5

0
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Not known to be exploited · CVSS 8.7 High : upgrade to 0.7.0 soon.

Data as of 8 Nov 2026, 14:34 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.08.7
CNA (VulnCheck)CVSS 3.17.5
Patch
Available – fixed in 0.7.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Upgrade funstory-ai BabelDOC to 0.7.0.

Affected software

ProductAffectedFixed in
funstory-aiBabelDOCAffected
  • >=0.3.61 <0.7.0
Fixed in
  • 0.7.0
PyPIBabelDOCpkg:pypi/BabelDOCOther threatsAffected
  • >=0.3.61 <0.7.0
Fixed in
  • 0.7.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade BabelDOC to version 0.7.0 or later, where this vulnerability is fixed. No other mitigation or workaround is indicated.

Description

BabelDOC versions from 0.3.61 up to but not including 0.7.0 contain a resource exhaustion vulnerability. This flaw allows remote attackers to cause excessive CPU and memory consumption by submitting a crafted PDF with an embedded ToUnicode CMap that declares extremely large bfrange and cidrange spans. This triggers billions of loop iterations in the translation worker, effectively stalling it. The vulnerability is fixed in version 0.7.0.

References

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