VDB-355820 · CVE-2026-33816 · Nessus 315508

jackc pgproto3 comparison

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in jackc pgproto3. This vulnerability affects unknown code. Such manipulation leads to comparison. This vulnerability is referenced as CVE-2026-33816. No exploit is available.

Detailsinfo

A vulnerability was found in jackc pgproto3 (the affected version unknown) and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a comparison vulnerability. Using CWE to declare the problem leads to CWE-697. The product compares two entities in a security-relevant context, but the comparison is incorrect, which may lead to resultant weaknesses. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at pkg.go.dev. This vulnerability is handled as CVE-2026-33816 since 03/23/2026. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/21/2026).

The vulnerability scanner Nessus provides a plugin with the ID 315508 (RHEL 10 : go-fdo-server (RHSA-2026:19137)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (315508). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

jackc

Name

pgproto3

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 9.8
ADP CISA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Comparison
CWE: CWE-697
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 315508
Nessus Name: RHEL 10 : go-fdo-server (RHSA-2026:19137)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/23/2026 CVE reserved
04/07/2026 +14 days Advisory disclosed
04/07/2026 +0 days VulDB entry created
05/21/2026 +44 days VulDB entry last update

Sourcesinfo

Advisory: pkg.go.dev
Status: Not defined

CVE: CVE-2026-33816 (🔒)
GCVE (CVE): GCVE-0-2026-33816
GCVE (VulDB): GCVE-100-355820

Entryinfo

Created: 04/07/2026 18:33
Updated: 05/21/2026 23:26
Changes: 04/07/2026 18:33 (48), 05/20/2026 13:38 (2), 05/21/2026 23:26 (11)
Complete: 🔍
Cache ID: 216::103