CVE-2026-52490 (GCVE-0-2026-52490)
Vulnerability from cvelistv5 – Published: 2026-08-24 00:00 – Updated: 2026-08-25 19:41
VLAI
EPSS
VEX
Summary
An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 19:41 UTC
CWE
- n/a
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
{
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"attackVector": "NETWORK",
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"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"timestamp": "2026-08-25T19:41:24.237049Z",
"version": "2.0.3"
},
"type": "ssvc"
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"cweId": "CWE-94",
"description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
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"tags": [
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"url": "https://gitlab.com/libtiff/libtiff/-/work_items/846"
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"title": "CISA ADP Vulnrichment"
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"datePublished": "2026-08-24T00:00:00.000Z",
"dateReserved": "2026-06-08T00:00:00.000Z",
"dateUpdated": "2026-08-25T19:41:57.140Z",
"state": "PUBLISHED"
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"vulnerability-lookup:meta": {
"epss": {
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"date": "2026-08-25",
"epss": "0.00158",
"percentile": "0.05198"
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"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2026-08-25T15:02:43+00:00",
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"id": "CVE-2026-52490",
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"product_status:known_affected": "31",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libtiff: libtiff: Arbitrary code execution via process_command_opts() function",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52490.json",
"version": "3"
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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