A vulnerability marked as problematic has been reported in py-pdf pypdf up to 6.10.0. The impacted element is an unknown function of the component Object Stream Handler. The manipulation of the argument Size leads to excessive iteration.
This vulnerability is traded as CVE-2026-41168. It is possible to initiate the attack remotely. There is no exploit available.
It is suggested to upgrade the affected component.
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CVE-2026-41168 | py-pdf pypdf up to 6.10.0 Object Stream Size iteration (GHSA-jj6c-8h6c-hppx / Nessus ID 316727)
A vulnerability marked as problematic has been reported in py-pdf pypdf up to 6.10.0. The impacted element is an unknown function of the component Object Stream Handler. The manipulation of the argument Size leads to excessive…
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IoC Intelligence (1 Indikatoren)
CVE-2026-41168
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title: Detect Exploitation - CVE-2026-41168 | py-pdf pypdf up to 6.10.0 Object Stream Size iteration (GHSA-jj6c-8h6c-hppx / Nessus ID 316727)
id: 0b8e73f9-19c5-423f-aabb-cd6a7f9d6fda
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2026-41168 | py-pdf pypdf " ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
LOCALIZED
Perimeter & Ingress
Geringes Risiko
Lateral Pivot & AD
GEFÄHRDET (80%)
Crown Jewels & DB
Geringes Risiko
Supply Chain Reach
Geringes Risiko
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2026-41168 | py-pdf pypdf up to 6.10.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
🛡️ Angriffsfläche & Exposure
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
⚡ Empfohlene Sofortmaßnahmen
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
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